2272997376 has 520 divisors, whose sum is σ = 7992319104. Its totient is φ = 637009920.

The previous prime is 2272997369. The next prime is 2272997399. The reversal of 2272997376 is 6737992722.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 73322481 + ... + 73322511.

Almost surely, 2^2272997376 is an apocalyptic number.

2272997376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272997376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3996159552).

2272997376 is an abundant number, since it is smaller than the sum of its proper divisors (5719321728).

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

2272997376 is a wasteful number, since it uses less digits than its factorization.

2272997376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 66 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 2272997376 is about 47675.9622451398. The cubic root of 2272997376 is about 1314.8200298265.

The spelling of 2272997376 in words is "two billion, two hundred seventy-two million, nine hundred ninety-seven thousand, three hundred seventy-six".