677775222 has 16 divisors (see below), whose sum is σ = 1506167280. Its totient is φ = 225925056.

The previous prime is 677775221. The next prime is 677775257. The reversal of 677775222 is 222577776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677775221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6275643 + ... + 6275750.

It is an arithmetic number, because the mean of its divisors is an integer number (94135455).

Almost surely, 2^677775222 is an apocalyptic number.

677775222 is an abundant number, since it is smaller than the sum of its proper divisors (828392058).

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

677775222 is a wasteful number, since it uses less digits than its factorization.

677775222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551404 (or 12551398 counting only the distinct ones).

The product of its digits is 576240, while the sum is 45.

The square root of 677775222 is about 26034.1165012374. The cubic root of 677775222 is about 878.4058699853.

The spelling of 677775222 in words is "six hundred seventy-seven million, seven hundred seventy-five thousand, two hundred twenty-two".