772806922 has 8 divisors (see below), whose sum is σ = 1186168896. Its totient is φ = 377417292.

The previous prime is 772806919. The next prime is 772806929. The reversal of 772806922 is 229608277.

It is a happy number.

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

It is a super-2 number, since 2×772806922² = 1194461077382228168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (772806929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4492978 + ... + 4493149.

It is an arithmetic number, because the mean of its divisors is an integer number (148271112).

Almost surely, 2^772806922 is an apocalyptic number.

772806922 is a deficient number, since it is larger than the sum of its proper divisors (413361974).

772806922 is a wasteful number, since it uses less digits than its factorization.

772806922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986172.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 772806922 is about 27799.4050655765. The cubic root of 772806922 is about 917.6780300315.

The spelling of 772806922 in words is "seven hundred seventy-two million, eight hundred six thousand, nine hundred twenty-two".