22150999 has 6 divisors (see below), whose sum is σ = 23986176. Its totient is φ = 20446920.

The previous prime is 22150993. The next prime is 22151011. The reversal of 22150999 is 99905122.

It is not a de Polignac number, because 22150999 - 2⁹ = 22150487 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 (22150993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65367 + ... + 65704.

It is an arithmetic number, because the mean of its divisors is an integer number (3997696).

Almost surely, 2^22150999 is an apocalyptic number.

22150999 is a deficient number, since it is larger than the sum of its proper divisors (1835177).

22150999 is a wasteful number, since it uses less digits than its factorization.

22150999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131097 (or 131084 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 22150999 is about 4706.4847816603. The cubic root of 22150999 is about 280.8435403448.

The spelling of 22150999 in words is "twenty-two million, one hundred fifty thousand, nine hundred ninety-nine".