22441387 has 4 divisors (see below), whose sum is σ = 22571280. Its totient is φ = 22311496.

The previous prime is 22441379. The next prime is 22441459. The reversal of 22441387 is 78314422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22441387 - 2³ = 22441379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22441357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64687 + ... + 65032.

It is an arithmetic number, because the mean of its divisors is an integer number (5642820).

Almost surely, 2^22441387 is an apocalyptic number.

22441387 is a deficient number, since it is larger than the sum of its proper divisors (129893).

22441387 is a wasteful number, since it uses less digits than its factorization.

22441387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129892.

The product of its digits is 10752, while the sum is 31.

The square root of 22441387 is about 4737.2341086334. The cubic root of 22441387 is about 282.0654535122.

The spelling of 22441387 in words is "twenty-two million, four hundred forty-one thousand, three hundred eighty-seven".