22131122002402 has 32 divisors (see below), whose sum is σ = 38114784368640. Its totient is φ = 9440855883600.

The previous prime is 22131122002399. The next prime is 22131122002417. The reversal of 22131122002402 is 20420022113122.

It is a super-2 number, since 2×22131122002402² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13362999 + ... + 14927557.

It is an arithmetic number, because the mean of its divisors is an integer number (1191087011520).

Almost surely, 2^{22131122002402} is an apocalyptic number.

22131122002402 is a deficient number, since it is larger than the sum of its proper divisors (15983662366238).

22131122002402 is a wasteful number, since it uses less digits than its factorization.

22131122002402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569246.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22131122002402 its reverse (20420022113122), we get a palindrome (42551144115524).

The spelling of 22131122002402 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred twenty-two million, two thousand, four hundred two".