22150973 has 8 divisors (see below), whose sum is σ = 24009048. Its totient is φ = 20314944.

The previous prime is 22150969. The next prime is 22150987. The reversal of 22150973 is 37905122.

It can be written as a sum of positive squares in 4 ways, for example, as 267289 + 21883684 = 517^2 + 4678^2 .

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

It is not a de Polignac number, because 22150973 - 2² = 22150969 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 3386 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (3001131).

Almost surely, 2^22150973 is an apocalyptic number.

It is an amenable number.

22150973 is a deficient number, since it is larger than the sum of its proper divisors (1858075).

22150973 is a wasteful number, since it uses less digits than its factorization.

22150973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11023.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 22150973 is about 4706.4820195131. The cubic root of 22150973 is about 280.8434304636.

The spelling of 22150973 in words is "twenty-two million, one hundred fifty thousand, nine hundred seventy-three".