22953479 has 2 divisors, whose sum is σ = 22953480. Its totient is φ = 22953478.

The previous prime is 22953439. The next prime is 22953493. The reversal of 22953479 is 97435922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22953479 is a 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 (22953409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11476739 + 11476740.

It is an arithmetic number, because the mean of its divisors is an integer number (11476740).

Almost surely, 2^22953479 is an apocalyptic number.

22953479 is a deficient number, since it is larger than the sum of its proper divisors (1).

22953479 is an equidigital number, since it uses as much as digits as its factorization.

22953479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 22953479 is about 4790.9789187597. The cubic root of 22953479 is about 284.1948301087.

It can be divided in two parts, 22953 and 479, that added together give a palindrome (23432).

The spelling of 22953479 in words is "twenty-two million, nine hundred fifty-three thousand, four hundred seventy-nine".