422101636 has 24 divisors (see below), whose sum is σ = 853233696. Its totient is φ = 180577920.

The previous prime is 422101633. The next prime is 422101649. The reversal of 422101636 is 636101224.

It is a super-2 number, since 2×422101636² = 356339582227752992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422101636.

It is not an unprimeable number, because it can be changed into a prime (422101633) 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, 281406 + ... + 282901.

It is an arithmetic number, because the mean of its divisors is an integer number (35551404).

Almost surely, 2^422101636 is an apocalyptic number.

It is an amenable number.

422101636 is an abundant number, since it is smaller than the sum of its proper divisors (431132060).

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

422101636 is a wasteful number, since it uses less digits than its factorization.

422101636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564339 (or 564337 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 422101636 is about 20545.1122167780. The cubic root of 422101636 is about 750.1342787723.

The spelling of 422101636 in words is "four hundred twenty-two million, one hundred one thousand, six hundred thirty-six".