22514250 has 64 divisors (see below), whose sum is σ = 61326720. Its totient is φ = 5456000.

The previous prime is 22514231. The next prime is 22514257. The reversal of 22514250 is 5241522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22514257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6886 + ... + 9614.

It is an arithmetic number, because the mean of its divisors is an integer number (958230).

Almost surely, 2^22514250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22514250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30663360).

22514250 is an abundant number, since it is smaller than the sum of its proper divisors (38812470).

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

22514250 is a wasteful number, since it uses less digits than its factorization.

22514250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2750 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22514250 is about 4744.9183343868. The cubic root of 22514250 is about 282.3703950352.

Adding to 22514250 its reverse (5241522), we get a palindrome (27755772).

The spelling of 22514250 in words is "twenty-two million, five hundred fourteen thousand, two hundred fifty".