221412230 has 32 divisors (see below), whose sum is σ = 443052288. Its totient is φ = 79113600.

The previous prime is 221412223. The next prime is 221412241. The reversal of 221412230 is 32214122.

It is a junction number, because it is equal to n+sod(n) for n = 221412199 and 221412208.

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, 23441 + ... + 31500.

It is an arithmetic number, because the mean of its divisors is an integer number (13845384).

Almost surely, 2^221412230 is an apocalyptic number.

221412230 is an abundant number, since it is smaller than the sum of its proper divisors (221640058).

221412230 is a wasteful number, since it uses less digits than its factorization.

221412230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54992.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 221412230 is about 14879.9270831547. The cubic root of 221412230 is about 604.9700415464.

Adding to 221412230 its reverse (32214122), we get a palindrome (253626352).

The spelling of 221412230 in words is "two hundred twenty-one million, four hundred twelve thousand, two hundred thirty".