22378817473 has 8 divisors (see below), whose sum is σ = 22482729792. Its totient is φ = 22274952336.

The previous prime is 22378817453. The next prime is 22378817479. The reversal of 22378817473 is 37471887322.

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

It is a cyclic number.

It is not a de Polignac number, because 22378817473 - 2⁵ = 22378817441 is a prime.

It is a super-2 number, since 2×22378817473² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22378817473.

It is not an unprimeable number, because it can be changed into a prime (22378817479) 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, 1245711 + ... + 1263547.

It is an arithmetic number, because the mean of its divisors is an integer number (2810341224).

Almost surely, 2^22378817473 is an apocalyptic number.

It is an amenable number.

22378817473 is a deficient number, since it is larger than the sum of its proper divisors (103912319).

22378817473 is a wasteful number, since it uses less digits than its factorization.

22378817473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23591.

The product of its digits is 3161088, while the sum is 52.

The spelling of 22378817473 in words is "twenty-two billion, three hundred seventy-eight million, eight hundred seventeen thousand, four hundred seventy-three".