22622146 has 16 divisors (see below), whose sum is σ = 35474040. Its totient is φ = 10805760.

The previous prime is 22622143. The next prime is 22622153. The reversal of 22622146 is 64122622.

It can be written as a sum of positive squares in 4 ways, for example, as 13771521 + 8850625 = 3711^2 + 2975^2 .

It is a super-2 number, since 2×22622146² = 1023522979290632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22622146.

It is not an unprimeable number, because it can be changed into a prime (22622143) 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, 3616 + ... + 7636.

Almost surely, 2^22622146 is an apocalyptic number.

22622146 is a deficient number, since it is larger than the sum of its proper divisors (12851894).

22622146 is a wasteful number, since it uses less digits than its factorization.

22622146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149.

The product of its digits is 2304, while the sum is 25.

The square root of 22622146 is about 4756.2743823291. The cubic root of 22622146 is about 282.8207482775.

Adding to 22622146 its reverse (64122622), we get a palindrome (86744768).

The spelling of 22622146 in words is "twenty-two million, six hundred twenty-two thousand, one hundred forty-six".