2749222944 has 240 divisors, whose sum is σ = 8821213632. Its totient is φ = 834872832.

The previous prime is 2749222921. The next prime is 2749222967. The reversal of 2749222944 is 4492229472.

2749222944 is a `hidden beast` number, since 274 + 92 + 2 + 294 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2749222921) and next prime (2749222967).

It is a self number, because there is not a number n which added to its sum of digits gives 2749222944.

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, 2796277 + ... + 2797259.

Almost surely, 2^2749222944 is an apocalyptic number.

2749222944 is a gapful number since it is divisible by the number (24) 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 2749222944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4410606816).

2749222944 is an abundant number, since it is smaller than the sum of its proper divisors (6071990688).

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

2749222944 is a wasteful number, since it uses less digits than its factorization.

2749222944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1084 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 2749222944 is about 52433.0329467980. The cubic root of 2749222944 is about 1400.8876928073.

The spelling of 2749222944 in words is "two billion, seven hundred forty-nine million, two hundred twenty-two thousand, nine hundred forty-four".