22548436 has 6 divisors (see below), whose sum is σ = 39459770. Its totient is φ = 11274216.

The previous prime is 22548413. The next prime is 22548473. The reversal of 22548436 is 63484522.

It can be written as a sum of positive squares in only one way, i.e., 18011536 + 4536900 = 4244^2 + 2130^2 .

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, 2818551 + ... + 2818558.

Almost surely, 2^22548436 is an apocalyptic number.

It is an amenable number.

22548436 is a deficient number, since it is larger than the sum of its proper divisors (16911334).

22548436 is a wasteful number, since it uses less digits than its factorization.

22548436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637113 (or 5637111 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 22548436 is about 4748.5193481758. The cubic root of 22548436 is about 282.5132413456.

The spelling of 22548436 in words is "twenty-two million, five hundred forty-eight thousand, four hundred thirty-six".