22241138 has 8 divisors (see below), whose sum is σ = 34812288. Its totient is φ = 10637044.

The previous prime is 22241137. The next prime is 22241143. The reversal of 22241138 is 83114222.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (22241137) 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, 241706 + ... + 241797.

It is an arithmetic number, because the mean of its divisors is an integer number (4351536).

Almost surely, 2^22241138 is an apocalyptic number.

22241138 is a deficient number, since it is larger than the sum of its proper divisors (12571150).

22241138 is a wasteful number, since it uses less digits than its factorization.

22241138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483528.

The product of its digits is 768, while the sum is 23.

The square root of 22241138 is about 4716.0511023525. The cubic root of 22241138 is about 281.2239700683.

Subtracting from 22241138 its sum of digits (23), we obtain a triangular number (22241115 = T₆₆₆₉).

The spelling of 22241138 in words is "twenty-two million, two hundred forty-one thousand, one hundred thirty-eight".