2272821400 has 48 divisors (see below), whose sum is σ = 5287942800. Its totient is φ = 908503680.

The previous prime is 2272821377. The next prime is 2272821413. The reversal of 2272821400 is 41282722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383661 + ... + 389539.

It is an arithmetic number, because the mean of its divisors is an integer number (110165475).

Almost surely, 2^2272821400 is an apocalyptic number.

2272821400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2272821400 is an abundant number, since it is smaller than the sum of its proper divisors (3015121400).

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

2272821400 is a wasteful number, since it uses less digits than its factorization.

2272821400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828 (or 7819 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 2272821400 is about 47674.1166672231. The cubic root of 2272821400 is about 1314.7860977238.

The spelling of 2272821400 in words is "two billion, two hundred seventy-two million, eight hundred twenty-one thousand, four hundred".