22284258 has 8 divisors (see below), whose sum is σ = 44568528. Its totient is φ = 7428084.

The previous prime is 22284239. The next prime is 22284299. The reversal of 22284258 is 85248222.

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

22284258 is an admirable number.

It is a super-2 number, since 2×22284258² = 993176309221128, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1857016 + ... + 1857027.

It is an arithmetic number, because the mean of its divisors is an integer number (5571066).

Almost surely, 2^22284258 is an apocalyptic number.

22284258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22284258 is a wasteful number, since it uses less digits than its factorization.

22284258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714048.

The product of its digits is 20480, while the sum is 33.

The square root of 22284258 is about 4720.6205100601. The cubic root of 22284258 is about 281.4055937087.

The spelling of 22284258 in words is "twenty-two million, two hundred eighty-four thousand, two hundred fifty-eight".