22653479 has 2 divisors, whose sum is σ = 22653480. Its totient is φ = 22653478.

The previous prime is 22653461. The next prime is 22653497. The reversal of 22653479 is 97435622.

Together with next prime (22653497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (22653461) and next prime (22653497).

It is a cyclic number.

It is not a de Polignac number, because 22653479 - 2¹² = 22649383 is a prime.

It is a super-2 number, since 2×22653479² = 1026360221606882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22653679) 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, 11326739 + 11326740.

It is an arithmetic number, because the mean of its divisors is an integer number (11326740).

Almost surely, 2^22653479 is an apocalyptic number.

22653479 is a deficient number, since it is larger than the sum of its proper divisors (1).

22653479 is an equidigital number, since it uses as much as digits as its factorization.

22653479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 22653479 is about 4759.5671021638. The cubic root of 22653479 is about 282.9512624849.

It can be divided in two parts, 22653 and 479, that added together give a palindrome (23132).

The spelling of 22653479 in words is "twenty-two million, six hundred fifty-three thousand, four hundred seventy-nine".