212022230 has 32 divisors (see below), whose sum is σ = 440493120. Its totient is φ = 71971200.

The previous prime is 212022229. The next prime is 212022241. The reversal of 212022230 is 32220212.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7925 + ... + 22064.

It is an arithmetic number, because the mean of its divisors is an integer number (13765410).

Almost surely, 2^212022230 is an apocalyptic number.

212022230 is an abundant number, since it is smaller than the sum of its proper divisors (228470890).

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

212022230 is a wasteful number, since it uses less digits than its factorization.

212022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30104.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 212022230 is about 14560.9831398845. The cubic root of 212022230 is about 596.2940364817.

Adding to 212022230 its reverse (32220212), we get a palindrome (244242442).

It can be divided in two parts, 21202 and 2230, that added together give a palindrome (23432).

The spelling of 212022230 in words is "two hundred twelve million, twenty-two thousand, two hundred thirty".