22152312535 has 8 divisors (see below), whose sum is σ = 26603278416. Its totient is φ = 17708181120.

The previous prime is 22152312517. The next prime is 22152312541. The reversal of 22152312535 is 53521325122.

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

It is not a de Polignac number, because 22152312535 - 2⁵ = 22152312503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22152312497 and 22152312506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701481 + ... + 1714450.

It is an arithmetic number, because the mean of its divisors is an integer number (3325409802).

Almost surely, 2^22152312535 is an apocalyptic number.

22152312535 is a deficient number, since it is larger than the sum of its proper divisors (4450965881).

22152312535 is a wasteful number, since it uses less digits than its factorization.

22152312535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417233.

The product of its digits is 18000, while the sum is 31.

Adding to 22152312535 its reverse (53521325122), we get a palindrome (75673637657).

The spelling of 22152312535 in words is "twenty-two billion, one hundred fifty-two million, three hundred twelve thousand, five hundred thirty-five".