122622245 has 4 divisors (see below), whose sum is σ = 147146700. Its totient is φ = 98097792.

The previous prime is 122622239. The next prime is 122622263. The reversal of 122622245 is 542226221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542226221 = 1789 ⋅303089.

It can be written as a sum of positive squares in 2 ways, for example, as 13147876 + 109474369 = 3626^2 + 10463^2 .

It is a cyclic number.

It is not a de Polignac number, because 122622245 - 2⁴ = 122622229 is a prime.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 12262220 + ... + 12262229.

It is an arithmetic number, because the mean of its divisors is an integer number (36786675).

Almost surely, 2^122622245 is an apocalyptic number.

It is an amenable number.

122622245 is a deficient number, since it is larger than the sum of its proper divisors (24524455).

122622245 is an equidigital number, since it uses as much as digits as its factorization.

122622245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24524454.

The product of its digits is 3840, while the sum is 26.

The square root of 122622245 is about 11073.4928997133. The cubic root of 122622245 is about 496.8093427214.

Adding to 122622245 its reverse (542226221), we get a palindrome (664848466).

The spelling of 122622245 in words is "one hundred twenty-two million, six hundred twenty-two thousand, two hundred forty-five".