2228162172 has 24 divisors (see below), whose sum is σ = 5200406736. Its totient is φ = 742526208.

The previous prime is 2228162119. The next prime is 2228162173. The reversal of 2228162172 is 2712618222.

2228162172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228162173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27898 + ... + 72350.

It is an arithmetic number, because the mean of its divisors is an integer number (216683614).

Almost surely, 2^2228162172 is an apocalyptic number.

It is an amenable number.

2228162172 is an abundant number, since it is smaller than the sum of its proper divisors (2972244564).

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

2228162172 is a wasteful number, since it uses less digits than its factorization.

2228162172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48637 (or 48635 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 2228162172 is about 47203.4127156078. The cubic root of 2228162172 is about 1306.1175518219.

The spelling of 2228162172 in words is "two billion, two hundred twenty-eight million, one hundred sixty-two thousand, one hundred seventy-two".