747222028 has 24 divisors (see below), whose sum is σ = 1500710400. Its totient is φ = 318895248.

The previous prime is 747222019. The next prime is 747222043. The reversal of 747222028 is 820222747.

It is a junction number, because it is equal to n+sod(n) for n = 747221984 and 747222002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49138 + ... + 62521.

It is an arithmetic number, because the mean of its divisors is an integer number (62529600).

Almost surely, 2^747222028 is an apocalyptic number.

It is an amenable number.

747222028 is an abundant number, since it is smaller than the sum of its proper divisors (753488372).

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

747222028 is a wasteful number, since it uses less digits than its factorization.

747222028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111909 (or 111907 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 747222028 is about 27335.3622255129. The cubic root of 747222028 is about 907.4371507699.

The spelling of 747222028 in words is "seven hundred forty-seven million, two hundred twenty-two thousand, twenty-eight".