22219086 has 16 divisors (see below), whose sum is σ = 44506368. Its totient is φ = 7395000.

The previous prime is 22219079. The next prime is 22219097. The reversal of 22219086 is 68091222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (2781648).

Almost surely, 2^22219086 is an apocalyptic number.

22219086 is an abundant number, since it is smaller than the sum of its proper divisors (22287282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22219086 is a wasteful number, since it uses less digits than its factorization.

22219086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 22219086 is about 4713.7125495728. The cubic root of 22219086 is about 281.1309951837.

The spelling of 22219086 in words is "twenty-two million, two hundred nineteen thousand, eighty-six".