122203442 has 4 divisors (see below), whose sum is σ = 183305166. Its totient is φ = 61101720.

The previous prime is 122203391. The next prime is 122203453. The reversal of 122203442 is 244302221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244302221 = 43 ⋅5681447.

It can be written as a sum of positive squares in only one way, i.e., 65788321 + 56415121 = 8111^2 + 7511^2 .

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, 30550859 + ... + 30550862.

Almost surely, 2^122203442 is an apocalyptic number.

122203442 is a deficient number, since it is larger than the sum of its proper divisors (61101724).

122203442 is an equidigital number, since it uses as much as digits as its factorization.

122203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61101723.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 122203442 is about 11054.5665677131. The cubic root of 122203442 is about 496.2430980773.

Adding to 122203442 its reverse (244302221), we get a palindrome (366505663).

The spelling of 122203442 in words is "one hundred twenty-two million, two hundred three thousand, four hundred forty-two".