22014728 has 16 divisors (see below), whose sum is σ = 43705980. Its totient is φ = 10359808.

The previous prime is 22014719. The next prime is 22014731. The reversal of 22014728 is 82741022.

It can be written as a sum of positive squares in 2 ways, for example, as 21883684 + 131044 = 4678^2 + 362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22014697 and 22014706.

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, 80801 + ... + 81072.

Almost surely, 2^22014728 is an apocalyptic number.

It is an amenable number.

22014728 is a deficient number, since it is larger than the sum of its proper divisors (21691252).

22014728 is a wasteful number, since it uses less digits than its factorization.

22014728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161896 (or 161892 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 22014728 is about 4691.9855072240. The cubic root of 22014728 is about 280.2664470497.

The spelling of 22014728 in words is "twenty-two million, fourteen thousand, seven hundred twenty-eight".