22454087 has 2 divisors, whose sum is σ = 22454088. Its totient is φ = 22454086.

The previous prime is 22454071. The next prime is 22454099. The reversal of 22454087 is 78045422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22454087 - 2⁴ = 22454071 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 (22454387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227043 + 11227044.

It is an arithmetic number, because the mean of its divisors is an integer number (11227044).

Almost surely, 2^22454087 is an apocalyptic number.

22454087 is a deficient number, since it is larger than the sum of its proper divisors (1).

22454087 is an equidigital number, since it uses as much as digits as its factorization.

22454087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 22454087 is about 4738.5743636668. The cubic root of 22454087 is about 282.1186521807.

The spelling of 22454087 in words is "twenty-two million, four hundred fifty-four thousand, eighty-seven".