22152109 has 8 divisors (see below), whose sum is σ = 25348160. Its totient is φ = 18963936.

The previous prime is 22152101. The next prime is 22152113. The reversal of 22152109 is 90125122.

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 22152109 - 2³ = 22152101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22152109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152101) 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, 6502 + ... + 9304.

It is an arithmetic number, because the mean of its divisors is an integer number (3168520).

Almost surely, 2^22152109 is an apocalyptic number.

It is an amenable number.

22152109 is a deficient number, since it is larger than the sum of its proper divisors (3196051).

22152109 is a wasteful number, since it uses less digits than its factorization.

22152109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 22152109 is about 4706.6027025871. The cubic root of 22152109 is about 280.8482313466.

The spelling of 22152109 in words is "twenty-two million, one hundred fifty-two thousand, one hundred nine".