221422124622132 has 72 divisors (see below), whose sum is σ = 639840963297536. Its totient is φ = 63245953963584.

The previous prime is 221422124622131. The next prime is 221422124622163. The reversal of 221422124622132 is 231226421224122.

221422124622132 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 2 + 2 + 1 + 24 + 622 + 1 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422124622131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120686428 + ... + 122507379.

Almost surely, 2^{221422124622132} is an apocalyptic number.

It is an amenable number.

221422124622132 is an abundant number, since it is smaller than the sum of its proper divisors (418418838675404).

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

221422124622132 is a wasteful number, since it uses less digits than its factorization.

221422124622132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243197437 (or 243197432 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

Adding to 221422124622132 its reverse (231226421224122), we get a palindrome (452648545846254).

The spelling of 221422124622132 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, one hundred twenty-four million, six hundred twenty-two thousand, one hundred thirty-two".