122220240433 has 4 divisors (see below), whose sum is σ = 122998713460. Its totient is φ = 121441767408.

The previous prime is 122220240413. The next prime is 122220240449. The reversal of 122220240433 is 334042022221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40734541584 + 81485698849 = 201828^2 + 285457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122220240433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122220240398 and 122220240407.

It is not an unprimeable number, because it can be changed into a prime (122220240413) 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, 389236278 + ... + 389236591.

It is an arithmetic number, because the mean of its divisors is an integer number (30749678365).

Almost surely, 2^122220240433 is an apocalyptic number.

It is an amenable number.

122220240433 is a deficient number, since it is larger than the sum of its proper divisors (778473027).

122220240433 is an equidigital number, since it uses as much as digits as its factorization.

122220240433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778473026.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 122220240433 its reverse (334042022221), we get a palindrome (456262262654).

The spelling of 122220240433 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred forty thousand, four hundred thirty-three".