223221122 has 4 divisors (see below), whose sum is σ = 334831686. Its totient is φ = 111610560.

The previous prime is 223221109. The next prime is 223221133. The reversal of 223221122 is 221122322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 222278281 + 942841 = 14909^2 + 971^2 .

It is a super-3 number, since 3×223221122³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223221122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55805279 + ... + 55805282.

Almost surely, 2^223221122 is an apocalyptic number.

223221122 is a deficient number, since it is larger than the sum of its proper divisors (111610564).

223221122 is a wasteful number, since it uses less digits than its factorization.

223221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111610563.

The product of its digits is 192, while the sum is 17.

The square root of 223221122 is about 14940.5864008077. The cubic root of 223221122 is about 606.6130684981.

Adding to 223221122 its reverse (221122322), we get a palindrome (444343444).

The spelling of 223221122 in words is "two hundred twenty-three million, two hundred twenty-one thousand, one hundred twenty-two".