212233430 has 16 divisors (see below), whose sum is σ = 385592400. Its totient is φ = 84099552.

The previous prime is 212233391. The next prime is 212233481. The reversal of 212233430 is 34332212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98105 + ... + 100244.

It is an arithmetic number, because the mean of its divisors is an integer number (24099525).

Almost surely, 2^212233430 is an apocalyptic number.

212233430 is a deficient number, since it is larger than the sum of its proper divisors (173358970).

212233430 is a wasteful number, since it uses less digits than its factorization.

212233430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198463.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 212233430 is about 14568.2335923062. The cubic root of 212233430 is about 596.4919646381.

Adding to 212233430 its reverse (34332212), we get a palindrome (246565642).

The spelling of 212233430 in words is "two hundred twelve million, two hundred thirty-three thousand, four hundred thirty".