2265547800 has 48 divisors (see below), whose sum is σ = 7023200040. Its totient is φ = 604145920.

The previous prime is 2265547787. The next prime is 2265547819. The reversal of 2265547800 is 87455622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1887357 + ... + 1888556.

Almost surely, 2^2265547800 is an apocalyptic number.

2265547800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2265547800 is an abundant number, since it is smaller than the sum of its proper divisors (4757652240).

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

2265547800 is a wasteful number, since it uses less digits than its factorization.

2265547800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775932 (or 3775923 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 2265547800 is about 47597.7709562118. The cubic root of 2265547800 is about 1313.3820501797.

The spelling of 2265547800 in words is "two billion, two hundred sixty-five million, five hundred forty-seven thousand, eight hundred".