222133100 has 36 divisors (see below), whose sum is σ = 550891824. Its totient is φ = 76159680.

The previous prime is 222133099. The next prime is 222133133. The reversal of 222133100 is 1331222.

It is a happy number.

It is a super-2 number, since 2×222133100² = 98686228231220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157967 + ... + 159366.

Almost surely, 2^222133100 is an apocalyptic number.

222133100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222133100 is an abundant number, since it is smaller than the sum of its proper divisors (328758724).

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

222133100 is a wasteful number, since it uses less digits than its factorization.

222133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317354 (or 317347 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 222133100 is about 14904.1303000209. The cubic root of 222133100 is about 605.6258805376.

Adding to 222133100 its reverse (1331222), we get a palindrome (223464322).

The spelling of 222133100 in words is "two hundred twenty-two million, one hundred thirty-three thousand, one hundred".