22455382 has 4 divisors (see below), whose sum is σ = 33683076. Its totient is φ = 11227690.

The previous prime is 22455379. The next prime is 22455409. The reversal of 22455382 is 28355422.

It is a semiprime because it is the product of two primes.

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, 5613844 + ... + 5613847.

It is an arithmetic number, because the mean of its divisors is an integer number (8420769).

Almost surely, 2^22455382 is an apocalyptic number.

22455382 is a deficient number, since it is larger than the sum of its proper divisors (11227694).

22455382 is a wasteful number, since it uses less digits than its factorization.

22455382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11227693.

The product of its digits is 19200, while the sum is 31.

The square root of 22455382 is about 4738.7110061703. The cubic root of 22455382 is about 282.1240756422.

It can be divided in two parts, 224553 and 82, that multiplied together give a triangular number (18413346 = T₆₀₆₈).

The spelling of 22455382 in words is "twenty-two million, four hundred fifty-five thousand, three hundred eighty-two".