21922096 has 20 divisors (see below), whose sum is σ = 48542032. Its totient is φ = 9395136.

The previous prime is 21922091. The next prime is 21922111. The reversal of 21922096 is 69022912.

It is not an unprimeable number, because it can be changed into a prime (21922091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97755 + ... + 97978.

Almost surely, 2^21922096 is an apocalyptic number.

It is an amenable number.

21922096 is an abundant number, since it is smaller than the sum of its proper divisors (26619936).

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

21922096 is a wasteful number, since it uses less digits than its factorization.

21922096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195748 (or 195742 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 21922096 is about 4682.1038006435. The cubic root of 21922096 is about 279.8727993659.

The spelling of 21922096 in words is "twenty-one million, nine hundred twenty-two thousand, ninety-six".