221014372 has 6 divisors (see below), whose sum is σ = 386775158. Its totient is φ = 110507184.

The previous prime is 221014349. The next prime is 221014397. The reversal of 221014372 is 273410122.

It can be written as a sum of positive squares in only one way, i.e., 195552256 + 25462116 = 13984^2 + 5046^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27626793 + ... + 27626800.

Almost surely, 2^221014372 is an apocalyptic number.

It is an amenable number.

221014372 is a deficient number, since it is larger than the sum of its proper divisors (165760786).

221014372 is a wasteful number, since it uses less digits than its factorization.

221014372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55253597 (or 55253595 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 221014372 is about 14866.5521221297. The cubic root of 221014372 is about 604.6074652450.

Adding to 221014372 its reverse (273410122), we get a palindrome (494424494).

The spelling of 221014372 in words is "two hundred twenty-one million, fourteen thousand, three hundred seventy-two".