22444867 has 2 divisors, whose sum is σ = 22444868. Its totient is φ = 22444866.

The previous prime is 22444861. The next prime is 22444883. The reversal of 22444867 is 76844422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22444867 - 2³ = 22444859 is a prime.

It is not a weakly prime, because it can be changed into another prime (22444861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222433 + 11222434.

It is an arithmetic number, because the mean of its divisors is an integer number (11222434).

Almost surely, 2^22444867 is an apocalyptic number.

22444867 is a deficient number, since it is larger than the sum of its proper divisors (1).

22444867 is an equidigital number, since it uses as much as digits as its factorization.

22444867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86016, while the sum is 37.

The square root of 22444867 is about 4737.6013973318. The cubic root of 22444867 is about 282.0800327811.

It can be divided in two parts, 22 and 444867, that added together give a square (444889 = 667²).

The spelling of 22444867 in words is "twenty-two million, four hundred forty-four thousand, eight hundred sixty-seven".