221412130 has 24 divisors (see below), whose sum is σ = 420628572. Its totient is φ = 83902176.

The previous prime is 221412119. The next prime is 221412133. The reversal of 221412130 is 31214122.

221412130 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 207965241 + 13446889 = 14421^2 + 3667^2 .

It is a super-2 number, since 2×221412130² = 98046662622273800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221412133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27057 + ... + 34276.

Almost surely, 2^221412130 is an apocalyptic number.

221412130 is a deficient number, since it is larger than the sum of its proper divisors (199216442).

221412130 is a wasteful number, since it uses less digits than its factorization.

221412130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61378 (or 61359 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 221412130 is about 14879.9237229228. The cubic root of 221412130 is about 604.9699504689.

Adding to 221412130 its reverse (31214122), we get a palindrome (252626252).

The spelling of 221412130 in words is "two hundred twenty-one million, four hundred twelve thousand, one hundred thirty".