2275902720 has 648 divisors, whose sum is σ = 9803154816. Its totient is φ = 477315072.

The previous prime is 2275902691. The next prime is 2275902721. The reversal of 2275902720 is 272095722.

2275902720 is a `hidden beast` number, since 2 + 27 + 590 + 27 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275902721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13628077 + ... + 13628243.

Almost surely, 2^2275902720 is an apocalyptic number.

2275902720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2275902720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4901577408).

2275902720 is an abundant number, since it is smaller than the sum of its proper divisors (7527252096).

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

2275902720 is a wasteful number, since it uses less digits than its factorization.

2275902720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 2275902720 is about 47706.4222091743. The cubic root of 2275902720 is about 1315.3799920602.

The spelling of 2275902720 in words is "two billion, two hundred seventy-five million, nine hundred two thousand, seven hundred twenty".