2297515220 has 96 divisors (see below), whose sum is σ = 6478085376. Its totient is φ = 661017600.

The previous prime is 2297515211. The next prime is 2297515223. The reversal of 2297515220 is 225157922.

It is a super-2 number, since 2×2297515220² = 10557152372263296800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297515223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37361 + ... + 77400.

It is an arithmetic number, because the mean of its divisors is an integer number (67480056).

Almost surely, 2^2297515220 is an apocalyptic number.

2297515220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2297515220 is an abundant number, since it is smaller than the sum of its proper divisors (4180570156).

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

2297515220 is a wasteful number, since it uses less digits than its factorization.

2297515220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114801 (or 114799 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 2297515220 is about 47932.4026103428. The cubic root of 2297515220 is about 1319.5305990909.

The spelling of 2297515220 in words is "two billion, two hundred ninety-seven million, five hundred fifteen thousand, two hundred twenty".