222223211100 has 144 divisors (see below), whose sum is σ = 779352618240. Its totient is φ = 53872286400.

The previous prime is 222223211053. The next prime is 222223211107. The reversal of 222223211100 is 1112322222.

222223211100 is a `hidden beast` number, since 22 + 222 + 321 + 1 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222223211107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3711432 + ... + 3770831.

It is an arithmetic number, because the mean of its divisors is an integer number (5412170960).

Almost surely, 2^222223211100 is an apocalyptic number.

222223211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222223211100 is an abundant number, since it is smaller than the sum of its proper divisors (557129407140).

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

222223211100 is a wasteful number, since it uses less digits than its factorization.

222223211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7482297 (or 7482284 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222223211100 its reverse (1112322222), we get a palindrome (223335533322).

The spelling of 222223211100 in words is "two hundred twenty-two billion, two hundred twenty-three million, two hundred eleven thousand, one hundred".