22748936 has 48 divisors (see below), whose sum is σ = 50109840. Its totient is φ = 9653280.

The previous prime is 22748933. The next prime is 22748939. The reversal of 22748936 is 63984722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22748933) and next prime (22748939).

It is a junction number, because it is equal to n+sod(n) for n = 22748893 and 22748902.

It is not an unprimeable number, because it can be changed into a prime (22748933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51131 + ... + 51573.

It is an arithmetic number, because the mean of its divisors is an integer number (1043955).

Almost surely, 2^22748936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22748936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25054920).

22748936 is an abundant number, since it is smaller than the sum of its proper divisors (27360904).

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

22748936 is a wasteful number, since it uses less digits than its factorization.

22748936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 583 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 22748936 is about 4769.5844682739. The cubic root of 22748936 is about 283.3481379423.

The spelling of 22748936 in words is "twenty-two million, seven hundred forty-eight thousand, nine hundred thirty-six".