22244260164 has 96 divisors (see below), whose sum is σ = 62901006336. Its totient is φ = 5972728320.

The previous prime is 22244260153. The next prime is 22244260307. The reversal of 22244260164 is 46106244222.

It is a super-2 number, since 2×22244260164² (a number of 21 digits) contains 22 as substring.

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, 975477 + ... + 998019.

It is an arithmetic number, because the mean of its divisors is an integer number (655218816).

Almost surely, 2^22244260164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22244260164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31450503168).

22244260164 is an abundant number, since it is smaller than the sum of its proper divisors (40656746172).

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

22244260164 is a wasteful number, since it uses less digits than its factorization.

22244260164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23265 (or 23263 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 22244260164 in words is "twenty-two billion, two hundred forty-four million, two hundred sixty thousand, one hundred sixty-four".