422212809672 has 48 divisors (see below), whose sum is σ = 1144511493840. Its totient is φ = 140612253408.

The previous prime is 422212809619. The next prime is 422212809673. The reversal of 422212809672 is 276908212224.

422212809672 is a `hidden beast` number, since 422 + 212 + 8 + 0 + 9 + 6 + 7 + 2 = 666.

It is a super-2 number, since 2×422212809672² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422212809673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2530038 + ... + 2691749.

It is an arithmetic number, because the mean of its divisors is an integer number (23843989455).

Almost surely, 2^422212809672 is an apocalyptic number.

It is an amenable number.

422212809672 is an abundant number, since it is smaller than the sum of its proper divisors (722298684168).

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

422212809672 is a wasteful number, since it uses less digits than its factorization.

422212809672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5222922 (or 5222915 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 422212809672 in words is "four hundred twenty-two billion, two hundred twelve million, eight hundred nine thousand, six hundred seventy-two".