22671497 has 2 divisors, whose sum is σ = 22671498. Its totient is φ = 22671496.

The previous prime is 22671487. The next prime is 22671511. The reversal of 22671497 is 79417622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21335161 + 1336336 = 4619^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 22671497 - 2⁸ = 22671241 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22671497.

It is not a weakly prime, because it can be changed into another prime (22671457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11335748 + 11335749.

It is an arithmetic number, because the mean of its divisors is an integer number (11335749).

Almost surely, 2^22671497 is an apocalyptic number.

It is an amenable number.

22671497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22671497 is an equidigital number, since it uses as much as digits as its factorization.

22671497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 22671497 is about 4761.4595451395. The cubic root of 22671497 is about 283.0262600129.

The spelling of 22671497 in words is "twenty-two million, six hundred seventy-one thousand, four hundred ninety-seven".