221314122 has 12 divisors (see below), whose sum is σ = 479513970. Its totient is φ = 73771368.

The previous prime is 221314111. The next prime is 221314127. The reversal of 221314122 is 221413122.

It is a happy number.

221314122 is a `hidden beast` number, since 221 + 31 + 412 + 2 = 666.

221314122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 220255281 + 1058841 = 14841^2 + 1029^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12295229 = 221314122 / (2 + 2 + 1 + 3 + 1 + 4 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 221314095 and 221314104.

It is not an unprimeable number, because it can be changed into a prime (221314127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6147597 + ... + 6147632.

Almost surely, 2^221314122 is an apocalyptic number.

221314122 is an abundant number, since it is smaller than the sum of its proper divisors (258199848).

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

221314122 is a wasteful number, since it uses less digits than its factorization.

221314122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12295237 (or 12295234 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 221314122 is about 14876.6300619462. The cubic root of 221314122 is about 604.8806740509.

Adding to 221314122 its reverse (221413122), we get a palindrome (442727244).

The spelling of 221314122 in words is "two hundred twenty-one million, three hundred fourteen thousand, one hundred twenty-two".