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1222241045 = 52310628183
BaseRepresentation
bin100100011011001…
…1110101100010101
310011011212021111212
41020312132230111
510000343203140
6321140511205
742200606654
oct11066365425
93134767455
101222241045
11577a17873
122a13ab505
131662b096c
14b847d19b
1572480765
hex48d9eb15

1222241045 has 8 divisors (see below), whose sum is σ = 1530458496. Its totient is φ = 935280016.

The previous prime is 1222241029. The next prime is 1222241071. The reversal of 1222241045 is 5401422221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222241045 - 24 = 1222241029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 1222241045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5313977 + ... + 5314206.

It is an arithmetic number, because the mean of its divisors is an integer number (191307312).

Almost surely, 21222241045 is an apocalyptic number.

It is an amenable number.

1222241045 is a deficient number, since it is larger than the sum of its proper divisors (308217451).

1222241045 is a wasteful number, since it uses less digits than its factorization.

1222241045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10628211.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1222241045 is about 34960.5641401852. The cubic root of 1222241045 is about 1069.1835985801.

Adding to 1222241045 its reverse (5401422221), we get a palindrome (6623663266).

The spelling of 1222241045 in words is "one billion, two hundred twenty-two million, two hundred forty-one thousand, forty-five".

Divisors: 1 5 23 115 10628183 53140915 244448209 1222241045