222104100 has 72 divisors (see below), whose sum is σ = 670582080. Its totient is φ = 56650880.

The previous prime is 222104083. The next prime is 222104137. The reversal of 222104100 is 1401222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9195 + ... + 22994.

It is an arithmetic number, because the mean of its divisors is an integer number (9313640).

Almost surely, 2^222104100 is an apocalyptic number.

222104100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222104100 is an abundant number, since it is smaller than the sum of its proper divisors (448477980).

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

222104100 is a wasteful number, since it uses less digits than its factorization.

222104100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32229 (or 32222 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 222104100 is about 14903.1573835882. The cubic root of 222104100 is about 605.5995240950.

Adding to 222104100 its reverse (1401222), we get a palindrome (223505322).

The spelling of 222104100 in words is "two hundred twenty-two million, one hundred four thousand, one hundred".