22441209 has 8 divisors (see below), whose sum is σ = 34196160. Its totient is φ = 12823536.

The previous prime is 22441193. The next prime is 22441249. The reversal of 22441209 is 90214422.

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

It is not a de Polignac number, because 22441209 - 2⁴ = 22441193 is a prime.

It is a super-2 number, since 2×22441209² = 1007215722763362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22441249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534294 + ... + 534335.

It is an arithmetic number, because the mean of its divisors is an integer number (4274520).

Almost surely, 2^22441209 is an apocalyptic number.

It is an amenable number.

22441209 is a deficient number, since it is larger than the sum of its proper divisors (11754951).

22441209 is a wasteful number, since it uses less digits than its factorization.

22441209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068639.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22441209 is about 4737.2153212621. The cubic root of 22441209 is about 282.0647077505.

The spelling of 22441209 in words is "twenty-two million, four hundred forty-one thousand, two hundred nine".