2128224072 has 32 divisors (see below), whose sum is σ = 5729834880. Its totient is φ = 654838080.

The previous prime is 2128224071. The next prime is 2128224079. The reversal of 2128224072 is 2704228212.

It is a super-2 number, since 2×2128224072² = 9058675401280522368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2128224071) 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, 3410304 + ... + 3410927.

It is an arithmetic number, because the mean of its divisors is an integer number (179057340).

Almost surely, 2^2128224072 is an apocalyptic number.

It is an amenable number.

2128224072 is an abundant number, since it is smaller than the sum of its proper divisors (3601610808).

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

2128224072 is a wasteful number, since it uses less digits than its factorization.

2128224072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821253 (or 6821249 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 2128224072 is about 46132.6790030668. The cubic root of 2128224072 is about 1286.2906626197.

It can be divided in two parts, 21282 and 24072, that added together give a palindrome (45354).

The spelling of 2128224072 in words is "two billion, one hundred twenty-eight million, two hundred twenty-four thousand, seventy-two".