221314922 has 8 divisors (see below), whose sum is σ = 333658116. Its totient is φ = 110095552.

The previous prime is 221314889. The next prime is 221314931. The reversal of 221314922 is 229413122.

It can be written as a sum of positive squares in 2 ways, for example, as 139972561 + 81342361 = 11831^2 + 9019^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 221314891 and 221314900.

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, 280463 + ... + 281250.

Almost surely, 2^221314922 is an apocalyptic number.

221314922 is a deficient number, since it is larger than the sum of its proper divisors (112343194).

221314922 is a wasteful number, since it uses less digits than its factorization.

221314922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561912.

The product of its digits is 1728, while the sum is 26.

The square root of 221314922 is about 14876.6569497317. The cubic root of 221314922 is about 604.8814028852.

The spelling of 221314922 in words is "two hundred twenty-one million, three hundred fourteen thousand, nine hundred twenty-two".