222141442 has 4 divisors (see below), whose sum is σ = 333212166. Its totient is φ = 111070720.

The previous prime is 222141427. The next prime is 222141457. The reversal of 222141442 is 244141222.

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

It is an interprime number because it is at equal distance from previous prime (222141427) and next prime (222141457).

It can be written as a sum of positive squares in only one way, i.e., 197430601 + 24710841 = 14051^2 + 4971^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55535359 + ... + 55535362.

Almost surely, 2^222141442 is an apocalyptic number.

222141442 is a deficient number, since it is larger than the sum of its proper divisors (111070724).

222141442 is a wasteful number, since it uses less digits than its factorization.

222141442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111070723.

The product of its digits is 1024, while the sum is 22.

The square root of 222141442 is about 14904.4101527031. The cubic root of 222141442 is about 605.6334616798.

Adding to 222141442 its reverse (244141222), we get a palindrome (466282664).

The spelling of 222141442 in words is "two hundred twenty-two million, one hundred forty-one thousand, four hundred forty-two".