22496497 has 2 divisors, whose sum is σ = 22496498. Its totient is φ = 22496496.

The previous prime is 22496479. The next prime is 22496521. The reversal of 22496497 is 79469422.

Together with previous prime (22496479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20711601 + 1784896 = 4551^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 22496497 - 2²³ = 14107889 is a prime.

It is not a weakly prime, because it can be changed into another prime (22496447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11248248 + 11248249.

It is an arithmetic number, because the mean of its divisors is an integer number (11248249).

Almost surely, 2^22496497 is an apocalyptic number.

It is an amenable number.

22496497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22496497 is an equidigital number, since it uses as much as digits as its factorization.

22496497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 22496497 is about 4743.0472272580. The cubic root of 22496497 is about 282.2961570185.

It can be divided in two parts, 224 and 96497, that added together give a square (96721 = 311²).

The spelling of 22496497 in words is "twenty-two million, four hundred ninety-six thousand, four hundred ninety-seven".