250000025022 has 80 divisors (see below), whose sum is σ = 632184102000. Its totient is φ = 73145237760.

The previous prime is 250000025017. The next prime is 250000025063. The reversal of 250000025022 is 220520000052.

It is a super-2 number, since 2×250000025022² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 250000024986 and 250000025004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2367147 + ... + 2470502.

It is an arithmetic number, because the mean of its divisors is an integer number (7902301275).

Almost surely, 2^250000025022 is an apocalyptic number.

250000025022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

250000025022 is an abundant number, since it is smaller than the sum of its proper divisors (382184076978).

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

250000025022 is a wasteful number, since it uses less digits than its factorization.

250000025022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837703 (or 4837694 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

Adding to 250000025022 its reverse (220520000052), we get a palindrome (470520025074).

The spelling of 250000025022 in words is "two hundred fifty billion, twenty-five thousand, twenty-two".