770022320 has 20 divisors (see below), whose sum is σ = 1790302080. Its totient is φ = 308008896.

The previous prime is 770022317. The next prime is 770022343. The reversal of 770022320 is 23220077.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4812560 + ... + 4812719.

It is an arithmetic number, because the mean of its divisors is an integer number (89515104).

Almost surely, 2^770022320 is an apocalyptic number.

It is an amenable number.

770022320 is an abundant number, since it is smaller than the sum of its proper divisors (1020279760).

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

770022320 is a wasteful number, since it uses less digits than its factorization.

770022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9625292 (or 9625286 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 770022320 is about 27749.2760265921. The cubic root of 770022320 is about 916.5745015142.

Adding to 770022320 its reverse (23220077), we get a palindrome (793242397).

The spelling of 770022320 in words is "seven hundred seventy million, twenty-two thousand, three hundred twenty".