122302442 has 4 divisors (see below), whose sum is σ = 183453666. Its totient is φ = 61151220.

The previous prime is 122302423. The next prime is 122302447. The reversal of 122302442 is 244203221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244203221 = 5869 ⋅41609.

It can be written as a sum of positive squares in only one way, i.e., 122301481 + 961 = 11059^2 + 31^2 .

It is not an unprimeable number, because it can be changed into a prime (122302447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30575609 + ... + 30575612.

Almost surely, 2^122302442 is an apocalyptic number.

122302442 is a deficient number, since it is larger than the sum of its proper divisors (61151224).

122302442 is an equidigital number, since it uses as much as digits as its factorization.

122302442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61151223.

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

The square root of 122302442 is about 11059.0434486894. The cubic root of 122302442 is about 496.3770681338.

Adding to 122302442 its reverse (244203221), we get a palindrome (366505663).

The spelling of 122302442 in words is "one hundred twenty-two million, three hundred two thousand, four hundred forty-two".