221499314 has 8 divisors (see below), whose sum is σ = 333936108. Its totient is φ = 110187280.

The previous prime is 221499263. The next prime is 221499329. The reversal of 221499314 is 413994122.

It can be written as a sum of positive squares in 2 ways, for example, as 189971089 + 31528225 = 13783^2 + 5615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221499314² = 98123892204941192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280697 + ... + 281484.

Almost surely, 2^221499314 is an apocalyptic number.

221499314 is a deficient number, since it is larger than the sum of its proper divisors (112436794).

221499314 is a wasteful number, since it uses less digits than its factorization.

221499314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562380.

The product of its digits is 15552, while the sum is 35.

The square root of 221499314 is about 14882.8530194986. The cubic root of 221499314 is about 605.0493450634.

The spelling of 221499314 in words is "two hundred twenty-one million, four hundred ninety-nine thousand, three hundred fourteen".