22246506 has 24 divisors (see below), whose sum is σ = 51036804. Its totient is φ = 6979200.

The previous prime is 22246487. The next prime is 22246507. The reversal of 22246506 is 60564222.

22246506 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 650 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21706281 + 540225 = 4659^2 + 735^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22246506.

It is not an unprimeable number, because it can be changed into a prime (22246507) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 36045 + ... + 36656.

Almost surely, 2^22246506 is an apocalyptic number.

22246506 is an abundant number, since it is smaller than the sum of its proper divisors (28790298).

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

22246506 is a wasteful number, since it uses less digits than its factorization.

22246506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72726 (or 72723 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 22246506 is about 4716.6201882280. The cubic root of 22246506 is about 281.2465931439.

The spelling of 22246506 in words is "twenty-two million, two hundred forty-six thousand, five hundred six".