122203231 has 4 divisors (see below), whose sum is σ = 128635000. Its totient is φ = 115771464.

The previous prime is 122203229. The next prime is 122203261. The reversal of 122203231 is 132302221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122203231 - 2¹ = 122203229 is a prime.

It is a super-2 number, since 2×122203231² = 29867259333678722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122203201) 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, 3215856 + ... + 3215893.

It is an arithmetic number, because the mean of its divisors is an integer number (32158750).

Almost surely, 2^122203231 is an apocalyptic number.

122203231 is a deficient number, since it is larger than the sum of its proper divisors (6431769).

122203231 is an equidigital number, since it uses as much as digits as its factorization.

122203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431768.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122203231 is about 11054.5570241417. The cubic root of 122203231 is about 496.2428124679.

Adding to 122203231 its reverse (132302221), we get a palindrome (254505452).

It can be divided in two parts, 12220 and 3231, that added together give a palindrome (15451).

The spelling of 122203231 in words is "one hundred twenty-two million, two hundred three thousand, two hundred thirty-one".