22750014 has 48 divisors (see below), whose sum is σ = 53319168. Its totient is φ = 6452208.

The previous prime is 22750003. The next prime is 22750027. The reversal of 22750014 is 41005722.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65389 + ... + 65735.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816).

Almost surely, 2^22750014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22750014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26659584).

22750014 is an abundant number, since it is smaller than the sum of its proper divisors (30569154).

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

22750014 is a wasteful number, since it uses less digits than its factorization.

22750014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22750014 is about 4769.6974746833. The cubic root of 22750014 is about 283.3526135284.

Adding to 22750014 its reverse (41005722), we get a palindrome (63755736).

The spelling of 22750014 in words is "twenty-two million, seven hundred fifty thousand, fourteen".