22233982 has 4 divisors (see below), whose sum is σ = 33350976. Its totient is φ = 11116990.

The previous prime is 22233979. The next prime is 22234007. The reversal of 22233982 is 28933222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28933222 = 2 ⋅14466611.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558494 + ... + 5558497.

It is an arithmetic number, because the mean of its divisors is an integer number (8337744).

Almost surely, 2^22233982 is an apocalyptic number.

22233982 is a deficient number, since it is larger than the sum of its proper divisors (11116994).

22233982 is a wasteful number, since it uses less digits than its factorization.

22233982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116993.

The product of its digits is 10368, while the sum is 31.

The square root of 22233982 is about 4715.2923557294. The cubic root of 22233982 is about 281.1938059254.

The spelling of 22233982 in words is "twenty-two million, two hundred thirty-three thousand, nine hundred eighty-two".