22435340 has 24 divisors (see below), whose sum is σ = 47915280. Its totient is φ = 8821568.

The previous prime is 22435339. The next prime is 22435349. The reversal of 22435340 is 4353422.

It is not an unprimeable number, because it can be changed into a prime (22435349) 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 7 ways as a sum of consecutive naturals, for example, 8327 + ... + 10686.

It is an arithmetic number, because the mean of its divisors is an integer number (1996470).

Almost surely, 2^22435340 is an apocalyptic number.

22435340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22435340 is an abundant number, since it is smaller than the sum of its proper divisors (25479940).

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

22435340 is a wasteful number, since it uses less digits than its factorization.

22435340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19081 (or 19079 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 22435340 is about 4736.5958240069. The cubic root of 22435340 is about 282.0401163525.

Adding to 22435340 its reverse (4353422), we get a palindrome (26788762).

It can be divided in two parts, 2 and 2435340, that added together give a palindrome (2435342).

The spelling of 22435340 in words is "twenty-two million, four hundred thirty-five thousand, three hundred forty".