23222472217 has 16 divisors (see below), whose sum is σ = 27498009600. Its totient is φ = 19191222720.

The previous prime is 23222472179. The next prime is 23222472223. The reversal of 23222472217 is 71227422232.

It is a cyclic number.

It is not a de Polignac number, because 23222472217 - 2³¹ = 21074988569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23222472227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140542 + ... + 257287.

It is an arithmetic number, because the mean of its divisors is an integer number (1718625600).

Almost surely, 2^23222472217 is an apocalyptic number.

It is an amenable number.

23222472217 is a deficient number, since it is larger than the sum of its proper divisors (4275537383).

23222472217 is a wasteful number, since it uses less digits than its factorization.

23222472217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398136.

The product of its digits is 37632, while the sum is 34.

Adding to 23222472217 its reverse (71227422232), we get a palindrome (94449894449).

The spelling of 23222472217 in words is "twenty-three billion, two hundred twenty-two million, four hundred seventy-two thousand, two hundred seventeen".