122223210331 has 4 divisors (see below), whose sum is σ = 122802467464. Its totient is φ = 121643953200.

The previous prime is 122223210313. The next prime is 122223210359. The reversal of 122223210331 is 133012322221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122223210331 is a prime.

It is a super-2 number, since 2×122223210331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122223210391) 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, 289628250 + ... + 289628671.

It is an arithmetic number, because the mean of its divisors is an integer number (30700616866).

Almost surely, 2^122223210331 is an apocalyptic number.

122223210331 is a deficient number, since it is larger than the sum of its proper divisors (579257133).

122223210331 is an equidigital number, since it uses as much as digits as its factorization.

122223210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579257132.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122223210331 its reverse (133012322221), we get a palindrome (255235532552).

The spelling of 122223210331 in words is "one hundred twenty-two billion, two hundred twenty-three million, two hundred ten thousand, three hundred thirty-one".