221432303224022 has 32 divisors (see below), whose sum is σ = 366005170314144. Its totient is φ = 99634393152000.

The previous prime is 221432303224019. The next prime is 221432303224061. The reversal of 221432303224022 is 220422303234122.

It is a super-2 number, since 2×221432303224022² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221432303224022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962558 + ... + 21066350.

It is an arithmetic number, because the mean of its divisors is an integer number (11437661572317).

Almost surely, 2^{221432303224022} is an apocalyptic number.

221432303224022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221432303224022 is a deficient number, since it is larger than the sum of its proper divisors (144572867090122).

221432303224022 is a wasteful number, since it uses less digits than its factorization.

221432303224022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20108864.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 221432303224022 its reverse (220422303234122), we get a palindrome (441854606458144).

The spelling of 221432303224022 in words is "two hundred twenty-one trillion, four hundred thirty-two billion, three hundred three million, two hundred twenty-four thousand, twenty-two".