2272994784 has 72 divisors (see below), whose sum is σ = 6703252920. Its totient is φ = 757662336.

The previous prime is 2272994761. The next prime is 2272994813. The reversal of 2272994784 is 4874992722.

It is a happy number.

2272994784 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2272994784.

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, 138379 + ... + 153930.

It is an arithmetic number, because the mean of its divisors is an integer number (93100735).

Almost surely, 2^2272994784 is an apocalyptic number.

2272994784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2272994784 is an abundant number, since it is smaller than the sum of its proper divisors (4430258136).

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

2272994784 is an equidigital number, since it uses as much as digits as its factorization.

2272994784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292334 (or 292314 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 2272994784 is about 47675.9350616220. The cubic root of 2272994784 is about 1314.8195300437.

It can be divided in two parts, 2272994 and 784, that added together give a triangular number (2273778 = T₂₁₃₂).

The spelling of 2272994784 in words is "two billion, two hundred seventy-two million, nine hundred ninety-four thousand, seven hundred eighty-four".