245422566 has 12 divisors (see below), whose sum is σ = 531748932. Its totient is φ = 81807516.

The previous prime is 245422561. The next prime is 245422571. The reversal of 245422566 is 665224542.

245422566 is a `hidden beast` number, since 24 + 54 + 22 + 566 = 666.

It is an interprime number because it is at equal distance from previous prime (245422561) and next prime (245422571).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 245422566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245422561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6817276 + ... + 6817311.

It is an arithmetic number, because the mean of its divisors is an integer number (44312411).

Almost surely, 2^245422566 is an apocalyptic number.

245422566 is an abundant number, since it is smaller than the sum of its proper divisors (286326366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245422566 is a wasteful number, since it uses less digits than its factorization.

245422566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13634595 (or 13634592 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 245422566 is about 15665.9684028789. The cubic root of 245422566 is about 626.0920138845.

The spelling of 245422566 in words is "two hundred forty-five million, four hundred twenty-two thousand, five hundred sixty-six".