2285252220 has 48 divisors (see below), whose sum is σ = 6401394720. Its totient is φ = 609144576.

The previous prime is 2285252191. The next prime is 2285252257. The reversal of 2285252220 is 222525822.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167994 + ... + 181086.

It is an arithmetic number, because the mean of its divisors is an integer number (133362390).

Almost surely, 2^2285252220 is an apocalyptic number.

2285252220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2285252220 is an abundant number, since it is smaller than the sum of its proper divisors (4116142500).

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

2285252220 is a wasteful number, since it uses less digits than its factorization.

2285252220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16014 (or 16012 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 2285252220 is about 47804.3117302195. The cubic root of 2285252220 is about 1317.1787425123.

The spelling of 2285252220 in words is "two billion, two hundred eighty-five million, two hundred fifty-two thousand, two hundred twenty".