770664022 has 4 divisors (see below), whose sum is σ = 1155996036. Its totient is φ = 385332010.

The previous prime is 770664007. The next prime is 770664023. The reversal of 770664022 is 220466077.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770664023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192666004 + ... + 192666007.

It is an arithmetic number, because the mean of its divisors is an integer number (288999009).

Almost surely, 2^770664022 is an apocalyptic number.

770664022 is a deficient number, since it is larger than the sum of its proper divisors (385332014).

770664022 is a wasteful number, since it uses less digits than its factorization.

770664022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385332013.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 770664022 is about 27760.8361185322. The cubic root of 770664022 is about 916.8290414875.

The spelling of 770664022 in words is "seven hundred seventy million, six hundred sixty-four thousand, twenty-two".