22490827 has 2 divisors, whose sum is σ = 22490828. Its totient is φ = 22490826.

The previous prime is 22490773. The next prime is 22490891. The reversal of 22490827 is 72809422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22490827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22490792 and 22490801.

It is not a weakly prime, because it can be changed into another prime (22493827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11245413 + 11245414.

It is an arithmetic number, because the mean of its divisors is an integer number (11245414).

Almost surely, 2^22490827 is an apocalyptic number.

22490827 is a deficient number, since it is larger than the sum of its proper divisors (1).

22490827 is an equidigital number, since it uses as much as digits as its factorization.

22490827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 22490827 is about 4742.4494725827. The cubic root of 22490827 is about 282.2724384562.

The spelling of 22490827 in words is "twenty-two million, four hundred ninety thousand, eight hundred twenty-seven".