22406534144 has 88 divisors (see below), whose sum is σ = 46483734528. Its totient is φ = 10783825920.

The previous prime is 22406534023. The next prime is 22406534147. The reversal of 22406534144 is 44143560422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22406534147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6251777 + ... + 6255359.

It is an arithmetic number, because the mean of its divisors is an integer number (528224256).

Almost surely, 2^22406534144 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 22406534144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23241867264).

22406534144 is an abundant number, since it is smaller than the sum of its proper divisors (24077200384).

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

22406534144 is a wasteful number, since it uses less digits than its factorization.

22406534144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831 (or 3813 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 22406534144 in words is "twenty-two billion, four hundred six million, five hundred thirty-four thousand, one hundred forty-four".