221142114 has 12 divisors (see below), whose sum is σ = 479141286. Its totient is φ = 73714032.

The previous prime is 221142073. The next prime is 221142169. The reversal of 221142114 is 411241122.

221142114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 220968225 + 173889 = 14865^2 + 417^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12285673 = 221142114 / (2 + 2 + 1 + 1 + 4 + 2 + 1 + 1 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6142819 + ... + 6142854.

Almost surely, 2^221142114 is an apocalyptic number.

221142114 is an abundant number, since it is smaller than the sum of its proper divisors (257999172).

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

221142114 is a wasteful number, since it uses less digits than its factorization.

221142114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12285681 (or 12285678 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 221142114 is about 14870.8477902237. The cubic root of 221142114 is about 604.7239265879.

Adding to 221142114 its reverse (411241122), we get a palindrome (632383236).

The spelling of 221142114 in words is "two hundred twenty-one million, one hundred forty-two thousand, one hundred fourteen".