221422122147732 has 24 divisors (see below), whose sum is σ = 563619947285472. Its totient is φ = 67097612772000.

The previous prime is 221422122147731. The next prime is 221422122147769. The reversal of 221422122147732 is 237741221224122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422122147731) 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, 838720159519 + ... + 838720159782.

It is an arithmetic number, because the mean of its divisors is an integer number (23484164470228).

Almost surely, 2^{221422122147732} is an apocalyptic number.

221422122147732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221422122147732 is an abundant number, since it is smaller than the sum of its proper divisors (342197825137740).

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

221422122147732 is a wasteful number, since it uses less digits than its factorization.

221422122147732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677440319319 (or 1677440319317 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The spelling of 221422122147732 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, one hundred twenty-two million, one hundred forty-seven thousand, seven hundred thirty-two".