749255522 has 8 divisors (see below), whose sum is σ = 1125158736. Its totient is φ = 374202612.

The previous prime is 749255509. The next prime is 749255527. The reversal of 749255522 is 225552947.

749255522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×749255522² = 1122767674494984968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749255522.

It is not an unprimeable number, because it can be changed into a prime (749255527) 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, 210368 + ... + 213899.

It is an arithmetic number, because the mean of its divisors is an integer number (140644842).

Almost surely, 2^749255522 is an apocalyptic number.

749255522 is a deficient number, since it is larger than the sum of its proper divisors (375903214).

749255522 is a wasteful number, since it uses less digits than its factorization.

749255522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425152.

The product of its digits is 252000, while the sum is 41.

The square root of 749255522 is about 27372.5322540681. The cubic root of 749255522 is about 908.2595732678.

The spelling of 749255522 in words is "seven hundred forty-nine million, two hundred fifty-five thousand, five hundred twenty-two".