22055497 has 2 divisors, whose sum is σ = 22055498. Its totient is φ = 22055496.

The previous prime is 22055491. The next prime is 22055503. The reversal of 22055497 is 79455022.

It is a balanced prime because it is at equal distance from previous prime (22055491) and next prime (22055503).

It can be written as a sum of positive squares in only one way, i.e., 21013056 + 1042441 = 4584^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 22055497 - 2³ = 22055489 is a prime.

It is not a weakly prime, because it can be changed into another prime (22055491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11027748 + 11027749.

It is an arithmetic number, because the mean of its divisors is an integer number (11027749).

Almost surely, 2^22055497 is an apocalyptic number.

It is an amenable number.

22055497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22055497 is an equidigital number, since it uses as much as digits as its factorization.

22055497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 22055497 is about 4696.3280336876. The cubic root of 22055497 is about 280.4393485222.

The spelling of 22055497 in words is "twenty-two million, fifty-five thousand, four hundred ninety-seven".