22575474387 has 8 divisors (see below), whose sum is σ = 33445147280. Its totient is φ = 15050316240.

The previous prime is 22575474373. The next prime is 22575474413. The reversal of 22575474387 is 78347457522.

It is a happy number.

22575474387 is a `hidden beast` number, since 2 + 2 + 57 + 547 + 43 + 8 + 7 = 666.

It is not a de Polignac number, because 22575474387 - 2¹⁰ = 22575473363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22575474307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418064314 + ... + 418064367.

It is an arithmetic number, because the mean of its divisors is an integer number (4180643410).

Almost surely, 2^22575474387 is an apocalyptic number.

22575474387 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22575474387 is a deficient number, since it is larger than the sum of its proper divisors (10869672893).

22575474387 is an equidigital number, since it uses as much as digits as its factorization.

22575474387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836128690 (or 836128684 counting only the distinct ones).

The product of its digits is 13171200, while the sum is 54.

The spelling of 22575474387 in words is "twenty-two billion, five hundred seventy-five million, four hundred seventy-four thousand, three hundred eighty-seven".