2272999733 has 4 divisors (see below), whose sum is σ = 2290351008. Its totient is φ = 2255648460.

The previous prime is 2272999693. The next prime is 2272999741. The reversal of 2272999733 is 3379992722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2272999733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272999783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8675441 + ... + 8675702.

It is an arithmetic number, because the mean of its divisors is an integer number (572587752).

Almost surely, 2^2272999733 is an apocalyptic number.

It is an amenable number.

2272999733 is a deficient number, since it is larger than the sum of its proper divisors (17351275).

2272999733 is a wasteful number, since it uses less digits than its factorization.

2272999733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17351274.

The product of its digits is 2571912, while the sum is 53.

The square root of 2272999733 is about 47675.9869640892. The cubic root of 2272999733 is about 1314.8204842968.

The spelling of 2272999733 in words is "two billion, two hundred seventy-two million, nine hundred ninety-nine thousand, seven hundred thirty-three".