22904347 has 2 divisors, whose sum is σ = 22904348. Its totient is φ = 22904346.

The previous prime is 22904339. The next prime is 22904353. The reversal of 22904347 is 74340922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22904347 - 2³ = 22904339 is a prime.

It is a super-2 number, since 2×22904347² = 1049218222992818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22904327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11452173 + 11452174.

It is an arithmetic number, because the mean of its divisors is an integer number (11452174).

Almost surely, 2^22904347 is an apocalyptic number.

22904347 is a deficient number, since it is larger than the sum of its proper divisors (1).

22904347 is an equidigital number, since it uses as much as digits as its factorization.

22904347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22904347 is about 4785.8486185838. The cubic root of 22904347 is about 283.9919119233.

The spelling of 22904347 in words is "twenty-two million, nine hundred four thousand, three hundred forty-seven".