2272557870 has 288 divisors, whose sum is σ = 6901614720. Its totient is φ = 537451200.

The previous prime is 2272557857. The next prime is 2272557893. The reversal of 2272557870 is 787552722.

2272557870 is a `hidden beast` number, since 2 + 2 + 7 + 2 + 5 + 578 + 70 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17347705 + ... + 17347835.

It is an arithmetic number, because the mean of its divisors is an integer number (23963940).

Almost surely, 2^2272557870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272557870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3450807360).

2272557870 is an abundant number, since it is smaller than the sum of its proper divisors (4629056850).

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

2272557870 is a wasteful number, since it uses less digits than its factorization.

2272557870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The square root of 2272557870 is about 47671.3527183779. The cubic root of 2272557870 is about 1314.7352799792.

The spelling of 2272557870 in words is "two billion, two hundred seventy-two million, five hundred fifty-seven thousand, eight hundred seventy".