213223700 has 36 divisors (see below), whose sum is σ = 487052160. Its totient is φ = 80799840.

The previous prime is 213223693. The next prime is 213223733. The reversal of 213223700 is 7322312.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 54212 + ... + 58011.

Almost surely, 2^213223700 is an apocalyptic number.

213223700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213223700 is an abundant number, since it is smaller than the sum of its proper divisors (273828460).

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

213223700 is a wasteful number, since it uses less digits than its factorization.

213223700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112256 (or 112249 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 213223700 is about 14602.1813438952. The cubic root of 213223700 is about 597.4182588061.

The spelling of 213223700 in words is "two hundred thirteen million, two hundred twenty-three thousand, seven hundred".