213022200 has 48 divisors (see below), whose sum is σ = 660370680. Its totient is φ = 56805760.

The previous prime is 213022169. The next prime is 213022217. The reversal of 213022200 is 2220312.

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

It is a congruent number.

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, 176919 + ... + 178118.

Almost surely, 2^213022200 is an apocalyptic number.

213022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213022200 is an abundant number, since it is smaller than the sum of its proper divisors (447348480).

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

213022200 is a wasteful number, since it uses less digits than its factorization.

213022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355056 (or 355047 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 213022200 is about 14595.2800589780. The cubic root of 213022200 is about 597.2300093771.

Adding to 213022200 its reverse (2220312), we get a palindrome (215242512).

The spelling of 213022200 in words is "two hundred thirteen million, twenty-two thousand, two hundred".