22224588 has 12 divisors (see below), whose sum is σ = 51857400. Its totient is φ = 7408192.

The previous prime is 22224577. The next prime is 22224599. The reversal of 22224588 is 88542222.

It is an interprime number because it is at equal distance from previous prime (22224577) and next prime (22224599).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22224588³ (a number of 23 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926013 + ... + 926036.

It is an arithmetic number, because the mean of its divisors is an integer number (4321450).

Almost surely, 2^22224588 is an apocalyptic number.

It is an amenable number.

22224588 is an abundant number, since it is smaller than the sum of its proper divisors (29632812).

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

22224588 is a wasteful number, since it uses less digits than its factorization.

22224588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852056 (or 1852054 counting only the distinct ones).

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

The square root of 22224588 is about 4714.2961298586. The cubic root of 22224588 is about 281.1541982845.

The spelling of 22224588 in words is "twenty-two million, two hundred twenty-four thousand, five hundred eighty-eight".