22438653158945 has 32 divisors (see below), whose sum is σ = 27190953504000. Its totient is φ = 17775601881856.

The previous prime is 22438653158941. The next prime is 22438653158953. The reversal of 22438653158945 is 54985135683422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22438653158945 - 2² = 22438653158941 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22438653158941) 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, 178875356 + ... + 179000754.

It is an arithmetic number, because the mean of its divisors is an integer number (849717297000).

Almost surely, 2^{22438653158945} is an apocalyptic number.

It is an amenable number.

22438653158945 is a deficient number, since it is larger than the sum of its proper divisors (4752300345055).

22438653158945 is a wasteful number, since it uses less digits than its factorization.

22438653158945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126457.

The product of its digits is 248832000, while the sum is 65.

The spelling of 22438653158945 in words is "twenty-two trillion, four hundred thirty-eight billion, six hundred fifty-three million, one hundred fifty-eight thousand, nine hundred forty-five".