122464442 has 4 divisors (see below), whose sum is σ = 183696666. Its totient is φ = 61232220.

The previous prime is 122464427. The next prime is 122464513. The reversal of 122464442 is 244464221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244464221 = 89 ⋅2746789.

It can be written as a sum of positive squares in only one way, i.e., 121462441 + 1002001 = 11021^2 + 1001^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30616109 + ... + 30616112.

Almost surely, 2^122464442 is an apocalyptic number.

122464442 is a deficient number, since it is larger than the sum of its proper divisors (61232224).

122464442 is an equidigital number, since it uses as much as digits as its factorization.

122464442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61232223.

The product of its digits is 12288, while the sum is 29.

The square root of 122464442 is about 11066.3653473035. The cubic root of 122464442 is about 496.5961360040.

The spelling of 122464442 in words is "one hundred twenty-two million, four hundred sixty-four thousand, four hundred forty-two".