22085547 has 16 divisors (see below), whose sum is σ = 33162240. Its totient is φ = 12952800.

The previous prime is 22085537. The next prime is 22085551. The reversal of 22085547 is 74558022.

It is not a de Polignac number, because 22085547 - 2⁷ = 22085419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (22085527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9772 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (2072640).

Almost surely, 2^22085547 is an apocalyptic number.

22085547 is a deficient number, since it is larger than the sum of its proper divisors (11076693).

22085547 is a wasteful number, since it uses less digits than its factorization.

22085547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21634.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 22085547 is about 4699.5262527195. The cubic root of 22085547 is about 280.5666543217.

The spelling of 22085547 in words is "twenty-two million, eighty-five thousand, five hundred forty-seven".