22044400351 has 8 divisors (see below), whose sum is σ = 22369464144. Its totient is φ = 21719960640.

The previous prime is 22044400349. The next prime is 22044400447. The reversal of 22044400351 is 15300444022.

It is a happy number.

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 22044400351 - 2¹ = 22044400349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044400321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84616 + ... + 226381.

It is an arithmetic number, because the mean of its divisors is an integer number (2796183018).

Almost surely, 2^22044400351 is an apocalyptic number.

22044400351 is a deficient number, since it is larger than the sum of its proper divisors (325063793).

22044400351 is an equidigital number, since it uses as much as digits as its factorization.

22044400351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312041.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22044400351 its reverse (15300444022), we get a palindrome (37344844373).

The spelling of 22044400351 in words is "twenty-two billion, forty-four million, four hundred thousand, three hundred fifty-one".