22205497 has 2 divisors, whose sum is σ = 22205498. Its totient is φ = 22205496.

The previous prime is 22205483. The next prime is 22205527. The reversal of 22205497 is 79450222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16353936 + 5851561 = 4044^2 + 2419^2 .

It is a cyclic number.

It is not a de Polignac number, because 22205497 - 2⁷ = 22205369 is a prime.

It is not a weakly prime, because it can be changed into another prime (22205437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102748 + 11102749.

It is an arithmetic number, because the mean of its divisors is an integer number (11102749).

Almost surely, 2^22205497 is an apocalyptic number.

It is an amenable number.

22205497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22205497 is an equidigital number, since it uses as much as digits as its factorization.

22205497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 22205497 is about 4712.2708962877. The cubic root of 22205497 is about 281.0736710709.

The spelling of 22205497 in words is "twenty-two million, two hundred five thousand, four hundred ninety-seven".