22471084 has 6 divisors (see below), whose sum is σ = 39324404. Its totient is φ = 11235540.

The previous prime is 22471073. The next prime is 22471109. The reversal of 22471084 is 48017422.

It is a super-2 number, since 2×22471084² = 1009899232270112, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2808882 + ... + 2808889.

Almost surely, 2^22471084 is an apocalyptic number.

It is an amenable number.

22471084 is a deficient number, since it is larger than the sum of its proper divisors (16853320).

22471084 is a wasteful number, since it uses less digits than its factorization.

22471084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617775 (or 5617773 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 22471084 is about 4740.3674963024. The cubic root of 22471084 is about 282.1898190513.

The spelling of 22471084 in words is "twenty-two million, four hundred seventy-one thousand, eighty-four".