22174031664 has 160 divisors (see below), whose sum is σ = 66495744000. Its totient is φ = 7066379520.

The previous prime is 22174031653. The next prime is 22174031701. The reversal of 22174031664 is 46613047122.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101562 + ... + 1121510.

It is an arithmetic number, because the mean of its divisors is an integer number (415598400).

Almost surely, 2^22174031664 is an apocalyptic number.

22174031664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22174031664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33247872000).

22174031664 is an abundant number, since it is smaller than the sum of its proper divisors (44321712336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22174031664 is a wasteful number, since it uses less digits than its factorization.

22174031664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20080 (or 20068 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 22174031664 its reverse (46613047122), we get a palindrome (68787078786).

The spelling of 22174031664 in words is "twenty-two billion, one hundred seventy-four million, thirty-one thousand, six hundred sixty-four".