22281086 has 8 divisors (see below), whose sum is σ = 33487344. Its totient is φ = 11118640.

The previous prime is 22281073. The next prime is 22281109. The reversal of 22281086 is 68018222.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9650 + ... + 11733.

It is an arithmetic number, because the mean of its divisors is an integer number (4185918).

Almost surely, 2^22281086 is an apocalyptic number.

22281086 is a deficient number, since it is larger than the sum of its proper divisors (11206258).

22281086 is a wasteful number, since it uses less digits than its factorization.

22281086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21906.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 22281086 is about 4720.2845253226. The cubic root of 22281086 is about 281.3922410706.

The spelling of 22281086 in words is "twenty-two million, two hundred eighty-one thousand, eighty-six".