749971222 has 64 divisors (see below), whose sum is σ = 1525515264. Its totient is φ = 267027840.

The previous prime is 749971217. The next prime is 749971223. The reversal of 749971222 is 222179947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749971223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204388 + ... + 208024.

It is an arithmetic number, because the mean of its divisors is an integer number (23836176).

Almost surely, 2^749971222 is an apocalyptic number.

749971222 is an abundant number, since it is smaller than the sum of its proper divisors (775544042).

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

749971222 is a wasteful number, since it uses less digits than its factorization.

749971222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773.

The product of its digits is 127008, while the sum is 43.

The square root of 749971222 is about 27385.6024582261. The cubic root of 749971222 is about 908.5486755793.

The spelling of 749971222 in words is "seven hundred forty-nine million, nine hundred seventy-one thousand, two hundred twenty-two".