22497259 has 2 divisors, whose sum is σ = 22497260. Its totient is φ = 22497258.

The previous prime is 22497253. The next prime is 22497263. The reversal of 22497259 is 95279422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22497259 - 2¹⁹ = 21972971 is a prime.

It is a super-2 number, since 2×22497259² = 1012253325026162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22497253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11248629 + 11248630.

It is an arithmetic number, because the mean of its divisors is an integer number (11248630).

Almost surely, 2^22497259 is an apocalyptic number.

22497259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22497259 is an equidigital number, since it uses as much as digits as its factorization.

22497259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 22497259 is about 4743.1275546837. The cubic root of 22497259 is about 282.2993442887.

The spelling of 22497259 in words is "twenty-two million, four hundred ninety-seven thousand, two hundred fifty-nine".