22950306 has 48 divisors (see below), whose sum is σ = 53071200. Its totient is φ = 7142784.

The previous prime is 22950293. The next prime is 22950307. The reversal of 22950306 is 60305922.

It is a self number, because there is not a number n which added to its sum of digits gives 22950306.

It is not an unprimeable number, because it can be changed into a prime (22950307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54565 + ... + 54983.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^22950306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22950306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26535600).

22950306 is an abundant number, since it is smaller than the sum of its proper divisors (30120894).

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

22950306 is a wasteful number, since it uses less digits than its factorization.

22950306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 22950306 is about 4790.6477641338. The cubic root of 22950306 is about 284.1817341745.

The spelling of 22950306 in words is "twenty-two million, nine hundred fifty thousand, three hundred six".