22910623 has 2 divisors, whose sum is σ = 22910624. Its totient is φ = 22910622.

The previous prime is 22910621. The next prime is 22910627. The reversal of 22910623 is 32601922.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22910623 - 2¹ = 22910621 is a prime.

Together with 22910621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22910621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11455311 + 11455312.

It is an arithmetic number, because the mean of its divisors is an integer number (11455312).

Almost surely, 2^22910623 is an apocalyptic number.

22910623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22910623 is an equidigital number, since it uses as much as digits as its factorization.

22910623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 22910623 is about 4786.5042567619. The cubic root of 22910623 is about 284.0178483460.

The spelling of 22910623 in words is "twenty-two million, nine hundred ten thousand, six hundred twenty-three".