220233100 has 36 divisors (see below), whose sum is σ = 489029464. Its totient is φ = 86042880.

The previous prime is 220233089. The next prime is 220233103. The reversal of 220233100 is 1332022.

It is a happy number.

It is a super-2 number, since 2×220233100² = 97005236671220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220233103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21309 + ... + 29908.

Almost surely, 2^220233100 is an apocalyptic number.

220233100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220233100 is an abundant number, since it is smaller than the sum of its proper divisors (268796364).

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

220233100 is a wasteful number, since it uses less digits than its factorization.

220233100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51274 (or 51267 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 220233100 is about 14840.2526932664. The cubic root of 220233100 is about 603.8942076017.

Adding to 220233100 its reverse (1332022), we get a palindrome (221565122).

The spelling of 220233100 in words is "two hundred twenty million, two hundred thirty-three thousand, one hundred".