212402230 has 8 divisors (see below), whose sum is σ = 382324032. Its totient is φ = 84960888.

The previous prime is 212402227. The next prime is 212402231. The reversal of 212402230 is 32204212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212402230² = 90229414617945800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212402231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10620102 + ... + 10620121.

It is an arithmetic number, because the mean of its divisors is an integer number (47790504).

Almost surely, 2^212402230 is an apocalyptic number.

212402230 is a deficient number, since it is larger than the sum of its proper divisors (169921802).

212402230 is a wasteful number, since it uses less digits than its factorization.

212402230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21240230.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 212402230 is about 14574.0258679611. The cubic root of 212402230 is about 596.6500628249.

Adding to 212402230 its reverse (32204212), we get a palindrome (244606442).

The spelling of 212402230 in words is "two hundred twelve million, four hundred two thousand, two hundred thirty".