744172222 has 16 divisors (see below), whose sum is σ = 1193203872. Its totient is φ = 347226880.

The previous prime is 744172217. The next prime is 744172271. The reversal of 744172222 is 222271447.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195403 + ... + 199174.

It is an arithmetic number, because the mean of its divisors is an integer number (74575242).

Almost surely, 2^744172222 is an apocalyptic number.

744172222 is a deficient number, since it is larger than the sum of its proper divisors (449031650).

744172222 is a wasteful number, since it uses less digits than its factorization.

744172222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394643.

The product of its digits is 12544, while the sum is 31.

The square root of 744172222 is about 27279.5201937277. The cubic root of 744172222 is about 906.2008912461.

The spelling of 744172222 in words is "seven hundred forty-four million, one hundred seventy-two thousand, two hundred twenty-two".