22334340 has 96 divisors (see below), whose sum is σ = 73269504. Its totient is φ = 4976640.

The previous prime is 22334339. The next prime is 22334341. The reversal of 22334340 is 4343322.

It is an interprime number because it is at equal distance from previous prime (22334339) and next prime (22334341).

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

It is not an unprimeable number, because it can be changed into a prime (22334341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16572 + ... + 17868.

It is an arithmetic number, because the mean of its divisors is an integer number (763224).

Almost surely, 2^22334340 is an apocalyptic number.

22334340 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 22334340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36634752).

22334340 is an abundant number, since it is smaller than the sum of its proper divisors (50935164).

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

22334340 is a wasteful number, since it uses less digits than its factorization.

22334340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 22334340 is about 4725.9221322404. The cubic root of 22334340 is about 281.6162477981.

Adding to 22334340 its reverse (4343322), we get a palindrome (26677662).

The spelling of 22334340 in words is "twenty-two million, three hundred thirty-four thousand, three hundred forty".