22552647 has 16 divisors (see below), whose sum is σ = 33260640. Its totient is φ = 13502592.

The previous prime is 22552637. The next prime is 22552657. The reversal of 22552647 is 74625522.

It is an interprime number because it is at equal distance from previous prime (22552637) and next prime (22552657).

It is not a de Polignac number, because 22552647 - 2⁴ = 22552631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6372 + ... + 9257.

It is an arithmetic number, because the mean of its divisors is an integer number (2078790).

Almost surely, 2^22552647 is an apocalyptic number.

22552647 is a deficient number, since it is larger than the sum of its proper divisors (10707993).

22552647 is a wasteful number, since it uses less digits than its factorization.

22552647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15682.

The product of its digits is 33600, while the sum is 33.

The square root of 22552647 is about 4748.9627288493. The cubic root of 22552647 is about 282.5308270325.

The spelling of 22552647 in words is "twenty-two million, five hundred fifty-two thousand, six hundred forty-seven".