22471122 has 8 divisors (see below), whose sum is σ = 44942256. Its totient is φ = 7490372.

The previous prime is 22471109. The next prime is 22471133. The reversal of 22471122 is 22117422.

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

22471122 is an admirable number.

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, 1872588 + ... + 1872599.

It is an arithmetic number, because the mean of its divisors is an integer number (5617782).

Almost surely, 2^22471122 is an apocalyptic number.

22471122 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.

22471122 is a wasteful number, since it uses less digits than its factorization.

22471122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745192.

The product of its digits is 448, while the sum is 21.

The square root of 22471122 is about 4740.3715044287. The cubic root of 22471122 is about 282.1899781180.

Adding to 22471122 its reverse (22117422), we get a palindrome (44588544).

The spelling of 22471122 in words is "twenty-two million, four hundred seventy-one thousand, one hundred twenty-two".