22442151 has 8 divisors (see below), whose sum is σ = 30259440. Its totient is φ = 14793152.

The previous prime is 22442149. The next prime is 22442153. The reversal of 22442151 is 15124422.

It is an interprime number because it is at equal distance from previous prime (22442149) and next prime (22442153).

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 22442151 - 2¹ = 22442149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41760 + ... + 42293.

It is an arithmetic number, because the mean of its divisors is an integer number (3782430).

Almost surely, 2^22442151 is an apocalyptic number.

22442151 is a deficient number, since it is larger than the sum of its proper divisors (7817289).

22442151 is an equidigital number, since it uses as much as digits as its factorization.

22442151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84145.

The product of its digits is 640, while the sum is 21.

The square root of 22442151 is about 4737.3147457183. The cubic root of 22442151 is about 282.0686543774.

Adding to 22442151 its reverse (15124422), we get a palindrome (37566573).

The spelling of 22442151 in words is "twenty-two million, four hundred forty-two thousand, one hundred fifty-one".