22025899 has 8 divisors (see below), whose sum is σ = 25647840. Its totient is φ = 18522816.

The previous prime is 22025893. The next prime is 22025923. The reversal of 22025899 is 99852022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22025899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22025893) 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, 29314 + ... + 30055.

It is an arithmetic number, because the mean of its divisors is an integer number (3205980).

Almost surely, 2^22025899 is an apocalyptic number.

22025899 is a deficient number, since it is larger than the sum of its proper divisors (3621941).

22025899 is an equidigital number, since it uses as much as digits as its factorization.

22025899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59429.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 22025899 is about 4693.1757904430. The cubic root of 22025899 is about 280.3138445172.

The spelling of 22025899 in words is "twenty-two million, twenty-five thousand, eight hundred ninety-nine".