22574534 has 4 divisors (see below), whose sum is σ = 33861804. Its totient is φ = 11287266.

The previous prime is 22574533. The next prime is 22574549. The reversal of 22574534 is 43547522.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22574534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22574533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5643632 + ... + 5643635.

It is an arithmetic number, because the mean of its divisors is an integer number (8465451).

Almost surely, 2^22574534 is an apocalyptic number.

22574534 is a deficient number, since it is larger than the sum of its proper divisors (11287270).

22574534 is a wasteful number, since it uses less digits than its factorization.

22574534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11287269.

The product of its digits is 33600, while the sum is 32.

The square root of 22574534 is about 4751.2665679795. The cubic root of 22574534 is about 282.6221947683.

The spelling of 22574534 in words is "twenty-two million, five hundred seventy-four thousand, five hundred thirty-four".