22733340 has 96 divisors (see below), whose sum is σ = 73543680. Its totient is φ = 5139456.

The previous prime is 22733339. The next prime is 22733341. The reversal of 22733340 is 4333722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22733339) and next prime (22733341).

It is a self number, because there is not a number n which added to its sum of digits gives 22733340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22733341) 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, 47221 + ... + 47699.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^22733340 is an apocalyptic number.

22733340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22733340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36771840).

22733340 is an abundant number, since it is smaller than the sum of its proper divisors (50810340).

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

22733340 is a wasteful number, since it uses less digits than its factorization.

22733340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 22733340 is about 4767.9492446963. The cubic root of 22733340 is about 283.2833714288.

The spelling of 22733340 in words is "twenty-two million, seven hundred thirty-three thousand, three hundred forty".