22085575 has 6 divisors (see below), whose sum is σ = 27386144. Its totient is φ = 17668440.

The previous prime is 22085573. The next prime is 22085579. The reversal of 22085575 is 57558022.

It is not a de Polignac number, because 22085575 - 2¹ = 22085573 is a prime.

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 22085575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22085573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441687 + ... + 441736.

Almost surely, 2^22085575 is an apocalyptic number.

22085575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22085575 is a deficient number, since it is larger than the sum of its proper divisors (5300569).

22085575 is an equidigital number, since it uses as much as digits as its factorization.

22085575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883433 (or 883428 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 22085575 is about 4699.5292317423. The cubic root of 22085575 is about 280.5667728889.

The spelling of 22085575 in words is "twenty-two million, eighty-five thousand, five hundred seventy-five".