2272723400 has 24 divisors (see below), whose sum is σ = 5284082370. Its totient is φ = 909089280.

The previous prime is 2272723391. The next prime is 2272723433. The reversal of 2272723400 is 43272722.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2202800356 + 69923044 = 46934^2 + 8362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5681609 + ... + 5682008.

Almost surely, 2^2272723400 is an apocalyptic number.

2272723400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2272723400 is an abundant number, since it is smaller than the sum of its proper divisors (3011358970).

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

2272723400 is a wasteful number, since it uses less digits than its factorization.

2272723400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11363633 (or 11363624 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 2272723400 is about 47673.0888447560. The cubic root of 2272723400 is about 1314.7672003760.

The spelling of 2272723400 in words is "two billion, two hundred seventy-two million, seven hundred twenty-three thousand, four hundred".