21883222 has 8 divisors (see below), whose sum is σ = 33042672. Its totient is φ = 10869000.

The previous prime is 21883207. The next prime is 21883249. The reversal of 21883222 is 22238812.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 35929 + ... + 36532.

It is an arithmetic number, because the mean of its divisors is an integer number (4130334).

Almost surely, 2^21883222 is an apocalyptic number.

21883222 is a deficient number, since it is larger than the sum of its proper divisors (11159450).

21883222 is a wasteful number, since it uses less digits than its factorization.

21883222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72614.

The product of its digits is 3072, while the sum is 28.

The square root of 21883222 is about 4677.9506196624. The cubic root of 21883222 is about 279.7072705998.

The spelling of 21883222 in words is "twenty-one million, eight hundred eighty-three thousand, two hundred twenty-two".