22130336 has 12 divisors (see below), whose sum is σ = 43569162. Its totient is φ = 11065152.

The previous prime is 22130321. The next prime is 22130341. The reversal of 22130336 is 63303122.

It can be written as a sum of positive squares in only one way, i.e., 21715600 + 414736 = 4660^2 + 644^2 .

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 as a sum of consecutive naturals, namely, 345755 + ... + 345818.

Almost surely, 2^22130336 is an apocalyptic number.

It is an amenable number.

22130336 is a deficient number, since it is larger than the sum of its proper divisors (21438826).

22130336 is an equidigital number, since it uses as much as digits as its factorization.

22130336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691583 (or 691575 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 22130336 is about 4704.2891067620. The cubic root of 22130336 is about 280.7561872428.

Adding to 22130336 its reverse (63303122), we get a palindrome (85433458).

The spelling of 22130336 in words is "twenty-two million, one hundred thirty thousand, three hundred thirty-six".