22007865455858 has 16 divisors (see below), whose sum is σ = 33496070688576. Its totient is φ = 10842687426480.

The previous prime is 22007865455813. The next prime is 22007865455887. The reversal of 22007865455858 is 85855456870022.

It is a super-2 number, since 2×22007865455858² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22007865455794 and 22007865455803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44469716 + ... + 44961887.

It is an arithmetic number, because the mean of its divisors is an integer number (2093504418036).

Almost surely, 2^{22007865455858} is an apocalyptic number.

22007865455858 is a deficient number, since it is larger than the sum of its proper divisors (11488205232718).

22007865455858 is a wasteful number, since it uses less digits than its factorization.

22007865455858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89433409.

The product of its (nonzero) digits is 215040000, while the sum is 65.

The spelling of 22007865455858 in words is "twenty-two trillion, seven billion, eight hundred sixty-five million, four hundred fifty-five thousand, eight hundred fifty-eight".