2281472538 has 16 divisors (see below), whose sum is σ = 4803100320. Its totient is φ = 720464976.

The previous prime is 2281472513. The next prime is 2281472549. The reversal of 2281472538 is 8352741822.

It is a super-2 number, since 2×2281472538² = 10410233883296322888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2281472538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10006345 + ... + 10006572.

It is an arithmetic number, because the mean of its divisors is an integer number (300193770).

Almost surely, 2^2281472538 is an apocalyptic number.

2281472538 is an abundant number, since it is smaller than the sum of its proper divisors (2521627782).

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

2281472538 is a wasteful number, since it uses less digits than its factorization.

2281472538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20012941.

The product of its digits is 215040, while the sum is 42.

The square root of 2281472538 is about 47764.7625138030. The cubic root of 2281472538 is about 1316.4521612920.

The spelling of 2281472538 in words is "two billion, two hundred eighty-one million, four hundred seventy-two thousand, five hundred thirty-eight".