2215252200 has 96 divisors (see below), whose sum is σ = 7848336960. Its totient is φ = 506342400.

The previous prime is 2215252163. The next prime is 2215252211. The reversal of 2215252200 is 22525122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259521 + ... + 267920.

It is an arithmetic number, because the mean of its divisors is an integer number (81753510).

Almost surely, 2^2215252200 is an apocalyptic number.

2215252200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215252200 is an abundant number, since it is smaller than the sum of its proper divisors (5633084760).

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

2215252200 is a wasteful number, since it uses less digits than its factorization.

2215252200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527467 (or 527458 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2215252200 is about 47066.4657691652. The cubic root of 2215252200 is about 1303.5901157585.

Adding to 2215252200 its reverse (22525122), we get a palindrome (2237777322).

The spelling of 2215252200 in words is "two billion, two hundred fifteen million, two hundred fifty-two thousand, two hundred".