747339222 has 64 divisors (see below), whose sum is σ = 1774586880. Its totient is φ = 205290624.

The previous prime is 747339211. The next prime is 747339259. The reversal of 747339222 is 222933747.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319168 + ... + 321500.

It is an arithmetic number, because the mean of its divisors is an integer number (27727920).

Almost surely, 2^747339222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747339222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887293440).

747339222 is an abundant number, since it is smaller than the sum of its proper divisors (1027247658).

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

747339222 is a wasteful number, since it uses less digits than its factorization.

747339222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637.

The product of its digits is 127008, while the sum is 39.

The square root of 747339222 is about 27337.5057750337. The cubic root of 747339222 is about 907.4845889816.

The spelling of 747339222 in words is "seven hundred forty-seven million, three hundred thirty-nine thousand, two hundred twenty-two".