22415023 has 2 divisors, whose sum is σ = 22415024. Its totient is φ = 22415022.

The previous prime is 22415021. The next prime is 22415033. The reversal of 22415023 is 32051422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22415023 - 2¹ = 22415021 is a prime.

Together with 22415021, it forms a pair of twin primes.

It is equal to p_1413640 and since 22415023 and 1413640 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22415021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11207511 + 11207512.

It is an arithmetic number, because the mean of its divisors is an integer number (11207512).

Almost surely, 2^22415023 is an apocalyptic number.

22415023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22415023 is an equidigital number, since it uses as much as digits as its factorization.

22415023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22415023 is about 4734.4506545110. The cubic root of 22415023 is about 281.9549539906.

Adding to 22415023 its reverse (32051422), we get a palindrome (54466445).

The spelling of 22415023 in words is "twenty-two million, four hundred fifteen thousand, twenty-three".