22914457 has 2 divisors, whose sum is σ = 22914458. Its totient is φ = 22914456.

The previous prime is 22914439. The next prime is 22914473. The reversal of 22914457 is 75441922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18870336 + 4044121 = 4344^2 + 2011^2 .

It is a cyclic number.

It is not a de Polignac number, because 22914457 - 2⁷ = 22914329 is a prime.

It is not a weakly prime, because it can be changed into another prime (22914257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11457228 + 11457229.

It is an arithmetic number, because the mean of its divisors is an integer number (11457229).

Almost surely, 2^22914457 is an apocalyptic number.

It is an amenable number.

22914457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22914457 is an equidigital number, since it uses as much as digits as its factorization.

22914457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 22914457 is about 4786.9047410618. The cubic root of 22914457 is about 284.0336905413.

The spelling of 22914457 in words is "twenty-two million, nine hundred fourteen thousand, four hundred fifty-seven".