749222 has 8 divisors (see below), whose sum is σ = 1135056. Its totient is φ = 370872.

The previous prime is 749219. The next prime is 749237. The reversal of 749222 is 222947.

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

It is a super-2 number, since 2×749222² = 1122667210568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749191 and 749200.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 749222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613 + ... + 2024.

It is an arithmetic number, because the mean of its divisors is an integer number (141882).

2⁷⁴⁹²²² is an apocalyptic number.

749222 is a deficient number, since it is larger than the sum of its proper divisors (385834).

749222 is a wasteful number, since it uses less digits than its factorization.

749222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742.

The product of its digits is 2016, while the sum is 26.

The square root of 749222 is about 865.5761087276. The cubic root of 749222 is about 90.8246027764.

The spelling of 749222 in words is "seven hundred forty-nine thousand, two hundred twenty-two".