22100992 has 44 divisors (see below), whose sum is σ = 44804736. Its totient is φ = 10895360.

The previous prime is 22100959. The next prime is 22101029. The reversal of 22100992 is 29900122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115617 + ... + 115807.

Almost surely, 2^22100992 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 22100992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22402368).

22100992 is an abundant number, since it is smaller than the sum of its proper divisors (22703744).

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

22100992 is a wasteful number, since it uses less digits than its factorization.

22100992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 22100992 is about 4701.1692162695. The cubic root of 22100992 is about 280.6320416121.

The spelling of 22100992 in words is "twenty-two million, one hundred thousand, nine hundred ninety-two".