22455404132 has 48 divisors (see below), whose sum is σ = 45943554048. Its totient is φ = 9403132320.

The previous prime is 22455404123. The next prime is 22455404161. The reversal of 22455404132 is 23140455422.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784757 + ... + 812867.

It is an arithmetic number, because the mean of its divisors is an integer number (957157376).

Almost surely, 2^22455404132 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 22455404132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22971777024).

22455404132 is an abundant number, since it is smaller than the sum of its proper divisors (23488149916).

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

22455404132 is a wasteful number, since it uses less digits than its factorization.

22455404132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28776 (or 28774 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 22455404132 its reverse (23140455422), we get a palindrome (45595859554).

The spelling of 22455404132 in words is "twenty-two billion, four hundred fifty-five million, four hundred four thousand, one hundred thirty-two".