221413322 has 12 divisors (see below), whose sum is σ = 359633430. Its totient is φ = 102190608.

The previous prime is 221413319. The next prime is 221413331. The reversal of 221413322 is 223314122.

It can be written as a sum of positive squares in 3 ways, for example, as 122788561 + 98624761 = 11081^2 + 9931^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221413294 and 221413303.

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 5 ways as a sum of consecutive naturals, for example, 327197 + ... + 327872.

Almost surely, 2^221413322 is an apocalyptic number.

221413322 is a deficient number, since it is larger than the sum of its proper divisors (138220108).

221413322 is a wasteful number, since it uses less digits than its factorization.

221413322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655097 (or 655084 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 221413322 is about 14879.9637768376. The cubic root of 221413322 is about 604.9710361108.

Adding to 221413322 its reverse (223314122), we get a palindrome (444727444).

The spelling of 221413322 in words is "two hundred twenty-one million, four hundred thirteen thousand, three hundred twenty-two".