422686556 has 6 divisors (see below), whose sum is σ = 739701480. Its totient is φ = 211343276.

The previous prime is 422686553. The next prime is 422686567. The reversal of 422686556 is 655686224.

It is a super-3 number, since 3×422686556³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422686553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52835816 + ... + 52835823.

It is an arithmetic number, because the mean of its divisors is an integer number (123283580).

Almost surely, 2^422686556 is an apocalyptic number.

It is an amenable number.

422686556 is a deficient number, since it is larger than the sum of its proper divisors (317014924).

422686556 is a wasteful number, since it uses less digits than its factorization.

422686556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105671643 (or 105671641 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 422686556 is about 20559.3423046556. The cubic root of 422686556 is about 750.4806140218.

The spelling of 422686556 in words is "four hundred twenty-two million, six hundred eighty-six thousand, five hundred fifty-six".