122403222331 has 4 divisors (see below), whose sum is σ = 131818854832. Its totient is φ = 112987589832.

The previous prime is 122403222317. The next prime is 122403222373. The reversal of 122403222331 is 133222304221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133222304221 = 27337 ⋅4873333.

It is not a de Polignac number, because 122403222331 - 2³³ = 113813287739 is a prime.

It is a super-2 number, since 2×122403222331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122403222296 and 122403222305.

It is not an unprimeable number, because it can be changed into a prime (122403222311) 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, 4707816231 + ... + 4707816256.

It is an arithmetic number, because the mean of its divisors is an integer number (32954713708).

Almost surely, 2^122403222331 is an apocalyptic number.

122403222331 is a deficient number, since it is larger than the sum of its proper divisors (9415632501).

122403222331 is an equidigital number, since it uses as much as digits as its factorization.

122403222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9415632500.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 122403222331 its reverse (133222304221), we get a palindrome (255625526552).

The spelling of 122403222331 in words is "one hundred twenty-two billion, four hundred three million, two hundred twenty-two thousand, three hundred thirty-one".