223213100 has 36 divisors (see below), whose sum is σ = 528408888. Its totient is φ = 81168000.

The previous prime is 223213099. The next prime is 223213103. The reversal of 223213100 is 1312322.

It is a happy number.

It is a super-3 number, since 3×223213100³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223213103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100361 + ... + 102560.

Almost surely, 2^223213100 is an apocalyptic number.

223213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223213100 is an abundant number, since it is smaller than the sum of its proper divisors (305195788).

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

223213100 is a wasteful number, since it uses less digits than its factorization.

223213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202946 (or 202939 counting only the distinct ones).

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

The square root of 223213100 is about 14940.3179350374. The cubic root of 223213100 is about 606.6058017002.

Adding to 223213100 its reverse (1312322), we get a palindrome (224525422).

The spelling of 223213100 in words is "two hundred twenty-three million, two hundred thirteen thousand, one hundred".