250022565 has 64 divisors (see below), whose sum is σ = 483436800. Its totient is φ = 121865472.

The previous prime is 250022561. The next prime is 250022569. The reversal of 250022565 is 565220052.

It is an interprime number because it is at equal distance from previous prime (250022561) and next prime (250022569).

It is not a de Polignac number, because 250022565 - 2² = 250022561 is a prime.

It is a super-2 number, since 2×250022565² = 125022566018358450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250022561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190642 + ... + 191948.

It is an arithmetic number, because the mean of its divisors is an integer number (7553700).

Almost surely, 2^250022565 is an apocalyptic number.

It is an amenable number.

250022565 is a deficient number, since it is larger than the sum of its proper divisors (233414235).

250022565 is a wasteful number, since it uses less digits than its factorization.

250022565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 250022565 is about 15812.1018526950. The cubic root of 250022565 is about 629.9794777895.

The spelling of 250022565 in words is "two hundred fifty million, twenty-two thousand, five hundred sixty-five".