22400134431401 has 32 divisors (see below), whose sum is σ = 24577716833280. Its totient is φ = 20320609075200.

The previous prime is 22400134431361. The next prime is 22400134431443. The reversal of 22400134431401 is 10413443100422.

It is not a de Polignac number, because 22400134431401 - 2²² = 22400130237097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400134491401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1841958761 + ... + 1841970921.

It is an arithmetic number, because the mean of its divisors is an integer number (768053651040).

Almost surely, 2^{22400134431401} is an apocalyptic number.

It is an amenable number.

22400134431401 is a deficient number, since it is larger than the sum of its proper divisors (2177582401879).

22400134431401 is a wasteful number, since it uses less digits than its factorization.

22400134431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18305.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 22400134431401 its reverse (10413443100422), we get a palindrome (32813577531823).

The spelling of 22400134431401 in words is "twenty-two trillion, four hundred billion, one hundred thirty-four million, four hundred thirty-one thousand, four hundred one".