22951451 has 2 divisors, whose sum is σ = 22951452. Its totient is φ = 22951450.

The previous prime is 22951429. The next prime is 22951457. The reversal of 22951451 is 15415922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22951451 - 2²² = 18757147 is a prime.

It is not a weakly prime, because it can be changed into another prime (22951457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11475725 + 11475726.

It is an arithmetic number, because the mean of its divisors is an integer number (11475726).

Almost surely, 2^22951451 is an apocalyptic number.

22951451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22951451 is an equidigital number, since it uses as much as digits as its factorization.

22951451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 29.

The square root of 22951451 is about 4790.7672663155. The cubic root of 22951451 is about 284.1864600762.

The spelling of 22951451 in words is "twenty-two million, nine hundred fifty-one thousand, four hundred fifty-one".