22953551 has 2 divisors, whose sum is σ = 22953552. Its totient is φ = 22953550.

The previous prime is 22953527. The next prime is 22953589. The reversal of 22953551 is 15535922.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22953551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22955551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11476775 + 11476776.

It is an arithmetic number, because the mean of its divisors is an integer number (11476776).

Almost surely, 2^22953551 is an apocalyptic number.

22953551 is a deficient number, since it is larger than the sum of its proper divisors (1).

22953551 is an equidigital number, since it uses as much as digits as its factorization.

22953551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 32.

The square root of 22953551 is about 4790.9864328758. The cubic root of 22953551 is about 284.1951272605.

The spelling of 22953551 in words is "twenty-two million, nine hundred fifty-three thousand, five hundred fifty-one".