122220223331 has 4 divisors (see below), whose sum is σ = 124291752600. Its totient is φ = 120148694064.

The previous prime is 122220223309. The next prime is 122220223357. The reversal of 122220223331 is 133322022221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133322022221 = 139 ⋅959151239.

It is a cyclic number.

It is not a de Polignac number, because 122220223331 - 2¹⁴ = 122220206947 is a prime.

It is a super-2 number, since 2×122220223331² (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 = 122220223297 and 122220223306.

It is not an unprimeable number, because it can be changed into a prime (122220223831) 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, 1035764546 + ... + 1035764663.

It is an arithmetic number, because the mean of its divisors is an integer number (31072938150).

Almost surely, 2^122220223331 is an apocalyptic number.

122220223331 is a deficient number, since it is larger than the sum of its proper divisors (2071529269).

122220223331 is an equidigital number, since it uses as much as digits as its factorization.

122220223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071529268.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 122220223331 its reverse (133322022221), we get a palindrome (255542245552).

The spelling of 122220223331 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred twenty-three thousand, three hundred thirty-one".