22295340 has 36 divisors (see below), whose sum is σ = 67629744. Its totient is φ = 5945376.

The previous prime is 22295327. The next prime is 22295359. The reversal of 22295340 is 4359222.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 61752 + ... + 62111.

It is an arithmetic number, because the mean of its divisors is an integer number (1878604).

Almost surely, 2^22295340 is an apocalyptic number.

22295340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22295340 is an abundant number, since it is smaller than the sum of its proper divisors (45334404).

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

22295340 is a wasteful number, since it uses less digits than its factorization.

22295340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123878 (or 123873 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 22295340 is about 4721.7941505322. The cubic root of 22295340 is about 281.4522338075.

It can be divided in two parts, 2229 and 5340, that added together give a square (7569 = 87²).

The spelling of 22295340 in words is "twenty-two million, two hundred ninety-five thousand, three hundred forty".