22245159 has 4 divisors (see below), whose sum is σ = 29660216. Its totient is φ = 14830104.

The previous prime is 22245151. The next prime is 22245161. The reversal of 22245159 is 95154222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22245159 - 2³ = 22245151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3707524 + ... + 3707529.

It is an arithmetic number, because the mean of its divisors is an integer number (7415054).

Almost surely, 2^22245159 is an apocalyptic number.

22245159 is a deficient number, since it is larger than the sum of its proper divisors (7415057).

22245159 is an equidigital number, since it uses as much as digits as its factorization.

22245159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7415056.

The product of its digits is 7200, while the sum is 30.

The square root of 22245159 is about 4716.4773931399. The cubic root of 22245159 is about 281.2409166449.

The spelling of 22245159 in words is "twenty-two million, two hundred forty-five thousand, one hundred fifty-nine".