770847222 has 16 divisors (see below), whose sum is σ = 1548610560. Its totient is φ = 255796392.

The previous prime is 770847149. The next prime is 770847229. The reversal of 770847222 is 222748077.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770847229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286722 + ... + 289397.

It is an arithmetic number, because the mean of its divisors is an integer number (96788160).

Almost surely, 2^770847222 is an apocalyptic number.

770847222 is an abundant number, since it is smaller than the sum of its proper divisors (777763338).

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

770847222 is a wasteful number, since it uses less digits than its factorization.

770847222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576347.

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 770847222 is about 27764.1355348947. The cubic root of 770847222 is about 916.9016843721.

The spelling of 770847222 in words is "seven hundred seventy million, eight hundred forty-seven thousand, two hundred twenty-two".