22755340 has 12 divisors (see below), whose sum is σ = 47786256. Its totient is φ = 9102128.

The previous prime is 22755323. The next prime is 22755361. The reversal of 22755340 is 4355722.

It is a junction number, because it is equal to n+sod(n) for n = 22755299 and 22755308.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 568864 + ... + 568903.

It is an arithmetic number, because the mean of its divisors is an integer number (3982188).

Almost surely, 2^22755340 is an apocalyptic number.

22755340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22755340 is an abundant number, since it is smaller than the sum of its proper divisors (25030916).

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

22755340 is a wasteful number, since it uses less digits than its factorization.

22755340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137776 (or 1137774 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 22755340 is about 4770.2557583425. The cubic root of 22755340 is about 283.3747236726.

The spelling of 22755340 in words is "twenty-two million, seven hundred fifty-five thousand, three hundred forty".