222123020322 has 64 divisors (see below), whose sum is σ = 523207931904. Its totient is φ = 61544991360.

The previous prime is 222123020321. The next prime is 222123020341. The reversal of 222123020322 is 223020321222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (222123020321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98628 + ... + 673775.

It is an arithmetic number, because the mean of its divisors is an integer number (8175123936).

Almost surely, 2^222123020322 is an apocalyptic number.

222123020322 is an abundant number, since it is smaller than the sum of its proper divisors (301084911582).

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

222123020322 is a wasteful number, since it uses less digits than its factorization.

222123020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772623.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 222123020322 its reverse (223020321222), we get a palindrome (445143341544).

The spelling of 222123020322 in words is "two hundred twenty-two billion, one hundred twenty-three million, twenty thousand, three hundred twenty-two".