22231122 has 8 divisors (see below), whose sum is σ = 44462256. Its totient is φ = 7410372.

The previous prime is 22231067. The next prime is 22231147. The reversal of 22231122 is 22113222.

It is a happy number.

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

22231122 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

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, 1852588 + ... + 1852599.

It is an arithmetic number, because the mean of its divisors is an integer number (5557782).

Almost surely, 2^22231122 is an apocalyptic number.

22231122 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.

22231122 is a wasteful number, since it uses less digits than its factorization.

22231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705192.

The product of its digits is 96, while the sum is 15.

The square root of 22231122 is about 4714.9890773999. The cubic root of 22231122 is about 281.1817485745.

Adding to 22231122 its reverse (22113222), we get a palindrome (44344344).

The spelling of 22231122 in words is "twenty-two million, two hundred thirty-one thousand, one hundred twenty-two".