221017314 has 32 divisors (see below), whose sum is σ = 514719360. Its totient is φ = 61955712.

The previous prime is 221017301. The next prime is 221017331. The reversal of 221017314 is 413710122.

221017314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 47419 + ... + 51870.

It is an arithmetic number, because the mean of its divisors is an integer number (16084980).

Almost surely, 2^221017314 is an apocalyptic number.

221017314 is an abundant number, since it is smaller than the sum of its proper divisors (293702046).

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

221017314 is a wasteful number, since it uses less digits than its factorization.

221017314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99354.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 221017314 is about 14866.6510687512. The cubic root of 221017314 is about 604.6101479472.

Adding to 221017314 its reverse (413710122), we get a palindrome (634727436).

The spelling of 221017314 in words is "two hundred twenty-one million, seventeen thousand, three hundred fourteen".