22038574 has 4 divisors (see below), whose sum is σ = 33057864. Its totient is φ = 11019286.

The previous prime is 22038571. The next prime is 22038617. The reversal of 22038574 is 47583022.

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 not an unprimeable number, because it can be changed into a prime (22038571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5509642 + ... + 5509645.

It is an arithmetic number, because the mean of its divisors is an integer number (8264466).

Almost surely, 2^22038574 is an apocalyptic number.

22038574 is a deficient number, since it is larger than the sum of its proper divisors (11019290).

22038574 is a wasteful number, since it uses less digits than its factorization.

22038574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11019289.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 22038574 is about 4694.5259611594. The cubic root of 22038574 is about 280.3676039069.

The spelling of 22038574 in words is "twenty-two million, thirty-eight thousand, five hundred seventy-four".