223222321100 has 18 divisors (see below), whose sum is σ = 484392437004. Its totient is φ = 89288928400.

The previous prime is 223222321097. The next prime is 223222321117. The reversal of 223222321100 is 1123222322.

It is a happy number.

It is a super-3 number, since 3×223222321100³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116111506 + ... + 1116111705.

Almost surely, 2^223222321100 is an apocalyptic number.

223222321100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223222321100 is an abundant number, since it is smaller than the sum of its proper divisors (261170115904).

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

223222321100 is a wasteful number, since it uses less digits than its factorization.

223222321100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232223225 (or 2232223218 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 223222321100 its reverse (1123222322), we get a palindrome (224345543422).

The spelling of 223222321100 in words is "two hundred twenty-three billion, two hundred twenty-two million, three hundred twenty-one thousand, one hundred".