22948889925781 has 16 divisors (see below), whose sum is σ = 23195860876800. Its totient is φ = 22702543399168.

The previous prime is 22948889925763. The next prime is 22948889925817. The reversal of 22948889925781 is 18752998884922.

It is a cyclic number.

It is not a de Polignac number, because 22948889925781 - 2⁵ = 22948889925749 is a prime.

It is a super-2 number, since 2×22948889925781² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22948889925695 and 22948889925704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22948889929781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220591305 + ... + 220695313.

It is an arithmetic number, because the mean of its divisors is an integer number (1449741304800).

Almost surely, 2^{22948889925781} is an apocalyptic number.

It is an amenable number.

22948889925781 is a deficient number, since it is larger than the sum of its proper divisors (246970951019).

22948889925781 is a wasteful number, since it uses less digits than its factorization.

22948889925781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106988.

The product of its digits is 3344302080, while the sum is 82.

The spelling of 22948889925781 in words is "twenty-two trillion, nine hundred forty-eight billion, eight hundred eighty-nine million, nine hundred twenty-five thousand, seven hundred eighty-one".