22241551 has 8 divisors (see below), whose sum is σ = 22941360. Its totient is φ = 21547008.

The previous prime is 22241543. The next prime is 22241563. The reversal of 22241551 is 15514222.

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 22241551 - 2³ = 22241543 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241501) 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, 8340 + ... + 10678.

It is an arithmetic number, because the mean of its divisors is an integer number (2867670).

Almost surely, 2^22241551 is an apocalyptic number.

22241551 is a deficient number, since it is larger than the sum of its proper divisors (699809).

22241551 is a wasteful number, since it uses less digits than its factorization.

22241551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633.

The product of its digits is 800, while the sum is 22.

The square root of 22241551 is about 4716.0948887825. The cubic root of 22241551 is about 281.2257107584.

Adding to 22241551 its reverse (15514222), we get a palindrome (37755773).

The spelling of 22241551 in words is "twenty-two million, two hundred forty-one thousand, five hundred fifty-one".