22220245417 has 4 divisors (see below), whose sum is σ = 22229938180. Its totient is φ = 22210552656.

The previous prime is 22220245367. The next prime is 22220245427. The reversal of 22220245417 is 71454202222.

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 3550848921 + 18669396496 = 59589^2 + 136636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220245417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220245427) 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, 4842942 + ... + 4847527.

It is an arithmetic number, because the mean of its divisors is an integer number (5557484545).

Almost surely, 2^22220245417 is an apocalyptic number.

It is an amenable number.

22220245417 is a deficient number, since it is larger than the sum of its proper divisors (9692763).

22220245417 is an equidigital number, since it uses as much as digits as its factorization.

22220245417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692762.

The product of its (nonzero) digits is 17920, while the sum is 31.

Adding to 22220245417 its reverse (71454202222), we get a palindrome (93674447639).

The spelling of 22220245417 in words is "twenty-two billion, two hundred twenty million, two hundred forty-five thousand, four hundred seventeen".