22548623 has 2 divisors, whose sum is σ = 22548624. Its totient is φ = 22548622.

The previous prime is 22548607. The next prime is 22548661. The reversal of 22548623 is 32684522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22548623 - 2⁴ = 22548607 is a prime.

It is a super-2 number, since 2×22548623² = 1016880798392258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22548623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22548023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11274311 + 11274312.

It is an arithmetic number, because the mean of its divisors is an integer number (11274312).

Almost surely, 2^22548623 is an apocalyptic number.

22548623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22548623 is an equidigital number, since it uses as much as digits as its factorization.

22548623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 22548623 is about 4748.5390384833. The cubic root of 22548623 is about 282.5140223285.

The spelling of 22548623 in words is "twenty-two million, five hundred forty-eight thousand, six hundred twenty-three".