22477967 has 2 divisors, whose sum is σ = 22477968. Its totient is φ = 22477966.

The previous prime is 22477933. The next prime is 22477993. The reversal of 22477967 is 76977422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22477967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22477067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11238983 + 11238984.

It is an arithmetic number, because the mean of its divisors is an integer number (11238984).

Almost surely, 2^22477967 is an apocalyptic number.

22477967 is a deficient number, since it is larger than the sum of its proper divisors (1).

22477967 is an equidigital number, since it uses as much as digits as its factorization.

22477967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 44.

The square root of 22477967 is about 4741.0934392817. The cubic root of 22477967 is about 282.2186281383.

The spelling of 22477967 in words is "twenty-two million, four hundred seventy-seven thousand, nine hundred sixty-seven".