22630146 has 96 divisors (see below), whose sum is σ = 58579584. Its totient is φ = 5702400.

The previous prime is 22630133. The next prime is 22630147. The reversal of 22630146 is 64103622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22630147) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 309966 + ... + 310038.

It is an arithmetic number, because the mean of its divisors is an integer number (610204).

Almost surely, 2^22630146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22630146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29289792).

22630146 is an abundant number, since it is smaller than the sum of its proper divisors (35949438).

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

22630146 is a wasteful number, since it uses less digits than its factorization.

22630146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22630146 is about 4757.1153023655. The cubic root of 22630146 is about 282.8540828593.

Adding to 22630146 its reverse (64103622), we get a palindrome (86733768).

The spelling of 22630146 in words is "twenty-two million, six hundred thirty thousand, one hundred forty-six".