122208442 has 4 divisors (see below), whose sum is σ = 183312666. Its totient is φ = 61104220.

The previous prime is 122208439. The next prime is 122208503. The reversal of 122208442 is 244802221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244802221 = 3373 ⋅72577.

It can be written as a sum of positive squares in only one way, i.e., 93489561 + 28718881 = 9669^2 + 5359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30552109 + ... + 30552112.

Almost surely, 2^122208442 is an apocalyptic number.

122208442 is a deficient number, since it is larger than the sum of its proper divisors (61104224).

122208442 is an equidigital number, since it uses as much as digits as its factorization.

122208442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61104223.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 122208442 is about 11054.7927162837. The cubic root of 122208442 is about 496.2498659763.

The spelling of 122208442 in words is "one hundred twenty-two million, two hundred eight thousand, four hundred forty-two".