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1224413441 = 2353235367
BaseRepresentation
bin100100011111011…
…0001000100000001
310011022221122110222
41020332301010001
510001422212231
6321255232425
742225225326
oct11076610401
93138848428
101224413441
11579170a39
122a2078715
131668916c4
14b8886b4d
157275e27b
hex48fb1101

1224413441 has 4 divisors (see below), whose sum is σ = 1277648832. Its totient is φ = 1171178052.

The previous prime is 1224413429. The next prime is 1224413453. The reversal of 1224413441 is 1443144221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1443144221 = 1975954959.

It is an interprime number because it is at equal distance from previous prime (1224413429) and next prime (1224413453).

It is a cyclic number.

It is not a de Polignac number, because 1224413441 - 218 = 1224151297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224413441.

It is not an unprimeable number, because it can be changed into a prime (1224413401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26617661 + ... + 26617706.

It is an arithmetic number, because the mean of its divisors is an integer number (319412208).

Almost surely, 21224413441 is an apocalyptic number.

It is an amenable number.

1224413441 is a deficient number, since it is larger than the sum of its proper divisors (53235391).

1224413441 is an equidigital number, since it uses as much as digits as its factorization.

1224413441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53235390.

The product of its digits is 3072, while the sum is 26.

The square root of 1224413441 is about 34991.6195824086. The cubic root of 1224413441 is about 1069.8166748549.

Adding to 1224413441 its reverse (1443144221), we get a palindrome (2667557662).

The spelling of 1224413441 in words is "one billion, two hundred twenty-four million, four hundred thirteen thousand, four hundred forty-one".

Divisors: 1 23 53235367 1224413441