221214301 has 16 divisors (see below), whose sum is σ = 278340480. Its totient is φ = 170786880.

The previous prime is 221214271. The next prime is 221214307. The reversal of 221214301 is 103412122.

It is not a de Polignac number, because 221214301 - 2¹⁵ = 221181533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221214307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4786 + ... + 21571.

It is an arithmetic number, because the mean of its divisors is an integer number (17396280).

Almost surely, 2^221214301 is an apocalyptic number.

It is an amenable number.

221214301 is a deficient number, since it is larger than the sum of its proper divisors (57126179).

221214301 is a wasteful number, since it uses less digits than its factorization.

221214301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26484.

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

The square root of 221214301 is about 14873.2747234763. The cubic root of 221214301 is about 604.7897190570.

Adding to 221214301 its reverse (103412122), we get a palindrome (324626423).

The spelling of 221214301 in words is "two hundred twenty-one million, two hundred fourteen thousand, three hundred one".