22252574 has 4 divisors (see below), whose sum is σ = 33378864. Its totient is φ = 11126286.

The previous prime is 22252567. The next prime is 22252579. The reversal of 22252574 is 47525222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22252579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5563142 + ... + 5563145.

It is an arithmetic number, because the mean of its divisors is an integer number (8344716).

Almost surely, 2^22252574 is an apocalyptic number.

22252574 is a deficient number, since it is larger than the sum of its proper divisors (11126290).

22252574 is a wasteful number, since it uses less digits than its factorization.

22252574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126289.

The product of its digits is 11200, while the sum is 29.

The square root of 22252574 is about 4717.2634015921. The cubic root of 22252574 is about 281.2721619409.

Adding to 22252574 its reverse (47525222), we get a palindrome (69777796).

The spelling of 22252574 in words is "twenty-two million, two hundred fifty-two thousand, five hundred seventy-four".