22081395 has 16 divisors (see below), whose sum is σ = 40377600. Its totient is φ = 10094304.

The previous prime is 22081387. The next prime is 22081429. The reversal of 22081395 is 59318022.

It is a happy number.

It is not a de Polignac number, because 22081395 - 2³ = 22081387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105045 + ... + 105254.

It is an arithmetic number, because the mean of its divisors is an integer number (2523600).

Almost surely, 2^22081395 is an apocalyptic number.

22081395 is a deficient number, since it is larger than the sum of its proper divisors (18296205).

22081395 is a wasteful number, since it uses less digits than its factorization.

22081395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210314.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 22081395 is about 4699.0844853014. The cubic root of 22081395 is about 280.5490713936.

The spelling of 22081395 in words is "twenty-two million, eighty-one thousand, three hundred ninety-five".