770221082 has 8 divisors (see below), whose sum is σ = 1186556916. Its totient is φ = 374702112.

The previous prime is 770221073. The next prime is 770221093. The reversal of 770221082 is 280122077.

It can be written as a sum of positive squares in 2 ways, for example, as 751911241 + 18309841 = 27421^2 + 4279^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5204123 + ... + 5204270.

Almost surely, 2^770221082 is an apocalyptic number.

770221082 is a deficient number, since it is larger than the sum of its proper divisors (416335834).

770221082 is a wasteful number, since it uses less digits than its factorization.

770221082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408432.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 770221082 is about 27752.8571862430. The cubic root of 770221082 is about 916.6533583229.

The spelling of 770221082 in words is "seven hundred seventy million, two hundred twenty-one thousand, eighty-two".