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22431202441 = 148971505753
BaseRepresentation
bin10100111001000000…
…001111110010001001
32010220021021011000121
4110321000033302021
5331414341434231
614145454303241
71422603034444
oct247100176211
963807234017
1022431202441
11957091343a
1244201b7b21
13216629996b
14112b14865b
158b4407311
hex53900fc89

22431202441 has 4 divisors (see below), whose sum is σ = 22432723092. Its totient is φ = 22429681792.

The previous prime is 22431202429. The next prime is 22431202501. The reversal of 22431202441 is 14420213422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16136366841 + 6294835600 = 127029^2 + 79340^2 .

It is a cyclic number.

It is not a de Polignac number, because 22431202441 - 233 = 13841267849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22431202411) 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, 737980 + ... + 767773.

It is an arithmetic number, because the mean of its divisors is an integer number (5608180773).

Almost surely, 222431202441 is an apocalyptic number.

It is an amenable number.

22431202441 is a deficient number, since it is larger than the sum of its proper divisors (1520651).

22431202441 is a wasteful number, since it uses less digits than its factorization.

22431202441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520650.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22431202441 its reverse (14420213422), we get a palindrome (36851415863).

The spelling of 22431202441 in words is "twenty-two billion, four hundred thirty-one million, two hundred two thousand, four hundred forty-one".

Divisors: 1 14897 1505753 22431202441