22213013202431 has 4 divisors (see below), whose sum is σ = 22230139659552. Its totient is φ = 22195886745312.

The previous prime is 22213013202389. The next prime is 22213013202433. The reversal of 22213013202431 is 13420231031222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22213013202431 is a prime.

It is a super-2 number, since 2×22213013202431² (a number of 27 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 22213013202431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213013202433) 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, 8563226615 + ... + 8563229208.

It is an arithmetic number, because the mean of its divisors is an integer number (5557534914888).

Almost surely, 2^{22213013202431} is an apocalyptic number.

22213013202431 is a deficient number, since it is larger than the sum of its proper divisors (17126457121).

22213013202431 is a wasteful number, since it uses less digits than its factorization.

22213013202431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17126457120.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22213013202431 its reverse (13420231031222), we get a palindrome (35633244233653).

The spelling of 22213013202431 in words is "twenty-two trillion, two hundred thirteen billion, thirteen million, two hundred two thousand, four hundred thirty-one".