422228677 has 8 divisors (see below), whose sum is σ = 481455576. Its totient is φ = 366822912.

The previous prime is 422228671. The next prime is 422228689. The reversal of 422228677 is 776822224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 151757761 + 270470916 = 12319^2 + 16446^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 422228677 - 2²³ = 413840069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422228671) 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, 955048 + ... + 955489.

It is an arithmetic number, because the mean of its divisors is an integer number (60181947).

Almost surely, 2^422228677 is an apocalyptic number.

It is an amenable number.

422228677 is a deficient number, since it is larger than the sum of its proper divisors (59226899).

422228677 is a wasteful number, since it uses less digits than its factorization.

422228677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910567.

The product of its digits is 150528, while the sum is 40.

The square root of 422228677 is about 20548.2037414466. The cubic root of 422228677 is about 750.2095278290.

The spelling of 422228677 in words is "four hundred twenty-two million, two hundred twenty-eight thousand, six hundred seventy-seven".