22506441 has 8 divisors (see below), whose sum is σ = 30030624. Its totient is φ = 14993280.

The previous prime is 22506437. The next prime is 22506479. The reversal of 22506441 is 14460522.

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

It is not a de Polignac number, because 22506441 - 2² = 22506437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22506401) 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, 5881 + ... + 8921.

It is an arithmetic number, because the mean of its divisors is an integer number (3753828).

Almost surely, 2^22506441 is an apocalyptic number.

It is an amenable number.

22506441 is a deficient number, since it is larger than the sum of its proper divisors (7524183).

22506441 is a wasteful number, since it uses less digits than its factorization.

22506441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22506441 is about 4744.0953826836. The cubic root of 22506441 is about 282.3377448189.

Adding to 22506441 its reverse (14460522), we get a palindrome (36966963).

The spelling of 22506441 in words is "twenty-two million, five hundred six thousand, four hundred forty-one".