22148159 has 8 divisors (see below), whose sum is σ = 24751440. Its totient is φ = 19643200.

The previous prime is 22148153. The next prime is 22148173. The reversal of 22148159 is 95184122.

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

It is a cyclic number.

It is not a de Polignac number, because 22148159 - 2⁴ = 22148143 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 (22148153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24104 + ... + 25005.

It is an arithmetic number, because the mean of its divisors is an integer number (3093930).

Almost surely, 2^22148159 is an apocalyptic number.

22148159 is a deficient number, since it is larger than the sum of its proper divisors (2603281).

22148159 is a wasteful number, since it uses less digits than its factorization.

22148159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49161.

The product of its digits is 5760, while the sum is 32.

The square root of 22148159 is about 4706.1830606129. The cubic root of 22148159 is about 280.8315374288.

The spelling of 22148159 in words is "twenty-two million, one hundred forty-eight thousand, one hundred fifty-nine".