122285858 has 4 divisors (see below), whose sum is σ = 183428790. Its totient is φ = 61142928.

The previous prime is 122285831. The next prime is 122285873. The reversal of 122285858 is 858582221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 858582221 = 7 ⋅122654603.

It can be written as a sum of positive squares in only one way, i.e., 97555129 + 24730729 = 9877^2 + 4973^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30571463 + ... + 30571466.

Almost surely, 2^122285858 is an apocalyptic number.

122285858 is a deficient number, since it is larger than the sum of its proper divisors (61142932).

122285858 is an equidigital number, since it uses as much as digits as its factorization.

122285858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61142931.

The product of its digits is 102400, while the sum is 41.

The square root of 122285858 is about 11058.2936296700. The cubic root of 122285858 is about 496.3546311618.

The spelling of 122285858 in words is "one hundred twenty-two million, two hundred eighty-five thousand, eight hundred fifty-eight".