122212353 has 4 divisors (see below), whose sum is σ = 162949808. Its totient is φ = 81474900.

The previous prime is 122212339. The next prime is 122212379. The reversal of 122212353 is 353212221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122212353 - 2⁹ = 122211841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122214353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20368723 + ... + 20368728.

It is an arithmetic number, because the mean of its divisors is an integer number (40737452).

Almost surely, 2^122212353 is an apocalyptic number.

It is an amenable number.

122212353 is a deficient number, since it is larger than the sum of its proper divisors (40737455).

122212353 is an equidigital number, since it uses as much as digits as its factorization.

122212353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40737454.

The product of its digits is 720, while the sum is 21.

The square root of 122212353 is about 11054.9696064711. The cubic root of 122212353 is about 496.2551596982.

Adding to 122212353 its reverse (353212221), we get a palindrome (475424574).

The spelling of 122212353 in words is "one hundred twenty-two million, two hundred twelve thousand, three hundred fifty-three".