264225499 has 2 divisors, whose sum is σ = 264225500. Its totient is φ = 264225498.

The previous prime is 264225491. The next prime is 264225539. The reversal of 264225499 is 994522462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264225499 - 2³ = 264225491 is a prime.

It is a super-2 number, since 2×264225499² = 139630228643598002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264225491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132112749 + 132112750.

It is an arithmetic number, because the mean of its divisors is an integer number (132112750).

Almost surely, 2^264225499 is an apocalyptic number.

264225499 is a deficient number, since it is larger than the sum of its proper divisors (1).

264225499 is an equidigital number, since it uses as much as digits as its factorization.

264225499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 264225499 is about 16255.0145801227. The cubic root of 264225499 is about 641.6894644699.

The spelling of 264225499 in words is "two hundred sixty-four million, two hundred twenty-five thousand, four hundred ninety-nine".