22475821247 has 16 divisors (see below), whose sum is σ = 24997507200. Its totient is φ = 20034362400.

The previous prime is 22475821219. The next prime is 22475821301. The reversal of 22475821247 is 74212857422.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22475821247 - 2²² = 22471626943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22475821198 and 22475821207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22475821217) 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, 979172 + ... + 1001862.

It is an arithmetic number, because the mean of its divisors is an integer number (1562344200).

Almost surely, 2^22475821247 is an apocalyptic number.

22475821247 is a deficient number, since it is larger than the sum of its proper divisors (2521685953).

22475821247 is a wasteful number, since it uses less digits than its factorization.

22475821247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24454.

The product of its digits is 501760, while the sum is 44.

The spelling of 22475821247 in words is "twenty-two billion, four hundred seventy-five million, eight hundred twenty-one thousand, two hundred forty-seven".