2272660992 has 120 divisors (see below), whose sum is σ = 7496167536. Its totient is φ = 649322496.

The previous prime is 2272660991. The next prime is 2272661011. The reversal of 2272660992 is 2990662722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272660991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2973 + ... + 67484.

Almost surely, 2^2272660992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2272660992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3748083768).

2272660992 is an abundant number, since it is smaller than the sum of its proper divisors (5223506544).

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

2272660992 is an equidigital number, since it uses as much as digits as its factorization.

2272660992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70488 (or 70469 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 2272660992 is about 47672.4342990790. The cubic root of 2272660992 is about 1314.7551659533.

The spelling of 2272660992 in words is "two billion, two hundred seventy-two million, six hundred sixty thousand, nine hundred ninety-two".