747861222 has 32 divisors (see below), whose sum is σ = 1548794880. Its totient is φ = 240458400.

The previous prime is 747861187. The next prime is 747861241. The reversal of 747861222 is 222168747.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338373 + ... + 340575.

It is an arithmetic number, because the mean of its divisors is an integer number (48399840).

Almost surely, 2^747861222 is an apocalyptic number.

747861222 is an abundant number, since it is smaller than the sum of its proper divisors (800933658).

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

747861222 is a wasteful number, since it uses less digits than its factorization.

747861222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188.

The product of its digits is 75264, while the sum is 39.

The square root of 747861222 is about 27347.0514315529. The cubic root of 747861222 is about 907.6958258126.

The spelling of 747861222 in words is "seven hundred forty-seven million, eight hundred sixty-one thousand, two hundred twenty-two".