22147630 has 16 divisors (see below), whose sum is σ = 39919680. Its totient is φ = 8847072.

The previous prime is 22147607. The next prime is 22147639. The reversal of 22147630 is 3674122.

It is a junction number, because it is equal to n+sod(n) for n = 22147595 and 22147604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147639) 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 7 ways as a sum of consecutive naturals, for example, 12436 + ... + 14104.

It is an arithmetic number, because the mean of its divisors is an integer number (2494980).

Almost surely, 2^22147630 is an apocalyptic number.

22147630 is a deficient number, since it is larger than the sum of its proper divisors (17772050).

22147630 is a wasteful number, since it uses less digits than its factorization.

22147630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22147630 is about 4706.1268576187. The cubic root of 22147630 is about 280.8293015610.

The spelling of 22147630 in words is "twenty-two million, one hundred forty-seven thousand, six hundred thirty".