770656422 has 8 divisors (see below), whose sum is σ = 1541312856. Its totient is φ = 256885472.

The previous prime is 770656399. The next prime is 770656441. The reversal of 770656422 is 224656077.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

770656422 is an admirable number.

It is a super-2 number, since 2×770656422² = 1187822641539684168, which contains 22 as substring.

It is a congruent number.

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, 64221363 + ... + 64221374.

It is an arithmetic number, because the mean of its divisors is an integer number (192664107).

Almost surely, 2^770656422 is an apocalyptic number.

770656422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

770656422 is a wasteful number, since it uses less digits than its factorization.

770656422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128442742.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 770656422 is about 27760.6992347095. The cubic root of 770656422 is about 916.8260276693.

The spelling of 770656422 in words is "seven hundred seventy million, six hundred fifty-six thousand, four hundred twenty-two".