22402433231 has 8 divisors (see below), whose sum is σ = 22776727584. Its totient is φ = 22029960960.

The previous prime is 22402433129. The next prime is 22402433321. The reversal of 22402433231 is 13233420422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22402433231 is a prime.

It is a super-2 number, since 2×22402433231² (a number of 22 digits) contains 22 as substring.

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 22402433231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402433831) 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, 430715 + ... + 479916.

It is an arithmetic number, because the mean of its divisors is an integer number (2847090948).

Almost surely, 2^22402433231 is an apocalyptic number.

22402433231 is a deficient number, since it is larger than the sum of its proper divisors (374294353).

22402433231 is an equidigital number, since it uses as much as digits as its factorization.

22402433231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911041.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22402433231 its reverse (13233420422), we get a palindrome (35635853653).

The spelling of 22402433231 in words is "twenty-two billion, four hundred two million, four hundred thirty-three thousand, two hundred thirty-one".