22240395 has 24 divisors (see below), whose sum is σ = 39098592. Its totient is φ = 11692800.

The previous prime is 22240391. The next prime is 22240397. The reversal of 22240395 is 59304222.

It is not a de Polignac number, because 22240395 - 2² = 22240391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (1629108).

Almost surely, 2^22240395 is an apocalyptic number.

22240395 is a deficient number, since it is larger than the sum of its proper divisors (16858197).

22240395 is a wasteful number, since it uses less digits than its factorization.

22240395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043 (or 7040 counting only the distinct ones).

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

The square root of 22240395 is about 4715.9723281631. The cubic root of 22240395 is about 281.2208384580.

The spelling of 22240395 in words is "twenty-two million, two hundred forty thousand, three hundred ninety-five".