52022202500 has 30 divisors (see below), whose sum is σ = 113762157894. Its totient is φ = 20808880000.

The previous prime is 52022202473. The next prime is 52022202527. The reversal of 52022202500 is 520222025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52022202473) and next prime (52022202527).

It can be written as a sum of positive squares in 5 ways, for example, as 33006895684 + 19015306816 = 181678^2 + 137896^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10401941 + ... + 10406940.

Almost surely, 2^52022202500 is an apocalyptic number.

52022202500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52022202500 is an abundant number, since it is smaller than the sum of its proper divisors (61739955394).

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

52022202500 is a wasteful number, since it uses less digits than its factorization.

52022202500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20808905 (or 20808888 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

Adding to 52022202500 its reverse (520222025), we get a palindrome (52542424525).

52022202500 divided by its reverse (520222025) gives a square (100 = 10²).

The spelling of 52022202500 in words is "fifty-two billion, twenty-two million, two hundred two thousand, five hundred".