221232233022 has 32 divisors (see below), whose sum is σ = 493149254400. Its totient is φ = 65753232768.

The previous prime is 221232233021. The next prime is 221232233051. The reversal of 221232233022 is 220332232122.

It is a junction number, because it is equal to n+sod(n) for n = 221232232983 and 221232233001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221232233021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57075522 + ... + 57079397.

It is an arithmetic number, because the mean of its divisors is an integer number (15410914200).

Almost surely, 2^221232233022 is an apocalyptic number.

221232233022 is an abundant number, since it is smaller than the sum of its proper divisors (271917021378).

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

221232233022 is a wasteful number, since it uses less digits than its factorization.

221232233022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114154960.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 221232233022 its reverse (220332232122), we get a palindrome (441564465144).

The spelling of 221232233022 in words is "two hundred twenty-one billion, two hundred thirty-two million, two hundred thirty-three thousand, twenty-two".