22521868273 has 8 divisors (see below), whose sum is σ = 22893663968. Its totient is φ = 22152921984.

The previous prime is 22521868267. The next prime is 22521868337. The reversal of 22521868273 is 37286812522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22521868273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22521868223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696411 + ... + 728032.

It is an arithmetic number, because the mean of its divisors is an integer number (2861707996).

Almost surely, 2^22521868273 is an apocalyptic number.

It is an amenable number.

22521868273 is a deficient number, since it is larger than the sum of its proper divisors (371795695).

22521868273 is a wasteful number, since it uses less digits than its factorization.

22521868273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424703.

The product of its digits is 645120, while the sum is 46.

The spelling of 22521868273 in words is "twenty-two billion, five hundred twenty-one million, eight hundred sixty-eight thousand, two hundred seventy-three".