52222700 has 18 divisors (see below), whose sum is σ = 113323476. Its totient is φ = 20889040.

The previous prime is 52222661. The next prime is 52222721. The reversal of 52222700 is 722225.

It is a super-3 number, since 3×52222700³ (a number of 24 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 261014 + ... + 261213.

Almost surely, 2^52222700 is an apocalyptic number.

52222700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52222700 is an abundant number, since it is smaller than the sum of its proper divisors (61100776).

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

52222700 is a wasteful number, since it uses less digits than its factorization.

52222700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522241 (or 522234 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 52222700 is about 7226.5275201856. The cubic root of 52222700 is about 373.7831967173.

Adding to 52222700 its reverse (722225), we get a palindrome (52944925).

The spelling of 52222700 in words is "fifty-two million, two hundred twenty-two thousand, seven hundred".