22792477 has 2 divisors, whose sum is σ = 22792478. Its totient is φ = 22792476.

The previous prime is 22792459. The next prime is 22792489. The reversal of 22792477 is 77429722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22174681 + 617796 = 4709^2 + 786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22792477 is a prime.

It is a Chen prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22792447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11396238 + 11396239.

It is an arithmetic number, because the mean of its divisors is an integer number (11396239).

Almost surely, 2^22792477 is an apocalyptic number.

It is an amenable number.

22792477 is a deficient number, since it is larger than the sum of its proper divisors (1).

22792477 is an equidigital number, since it uses as much as digits as its factorization.

22792477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 40.

The square root of 22792477 is about 4774.1467300451. The cubic root of 22792477 is about 283.5287969197.

The spelling of 22792477 in words is "twenty-two million, seven hundred ninety-two thousand, four hundred seventy-seven".