22402013231 has 8 divisors (see below), whose sum is σ = 24137962464. Its totient is φ = 20667880800.

The previous prime is 22402013167. The next prime is 22402013233. The reversal of 22402013231 is 13231020422.

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 22402013231 - 2⁶ = 22402013167 is a prime.

It is a super-2 number, since 2×22402013231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402013233) 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, 428531 + ... + 477956.

It is an arithmetic number, because the mean of its divisors is an integer number (3017245308).

Almost surely, 2^22402013231 is an apocalyptic number.

22402013231 is a deficient number, since it is larger than the sum of its proper divisors (1735949233).

22402013231 is a wasteful number, since it uses less digits than its factorization.

22402013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908401.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22402013231 its reverse (13231020422), we get a palindrome (35633033653).

The spelling of 22402013231 in words is "twenty-two billion, four hundred two million, thirteen thousand, two hundred thirty-one".