22947641 has 2 divisors, whose sum is σ = 22947642. Its totient is φ = 22947640.

The previous prime is 22947619. The next prime is 22947647. The reversal of 22947641 is 14674922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12222016 + 10725625 = 3496^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 22947641 - 2²² = 18753337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22947647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11473820 + 11473821.

It is an arithmetic number, because the mean of its divisors is an integer number (11473821).

Almost surely, 2^22947641 is an apocalyptic number.

It is an amenable number.

22947641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22947641 is an equidigital number, since it uses as much as digits as its factorization.

22947641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 22947641 is about 4790.3696099570. The cubic root of 22947641 is about 284.1707339778.

The spelling of 22947641 in words is "twenty-two million, nine hundred forty-seven thousand, six hundred forty-one".