22241651 has 4 divisors (see below), whose sum is σ = 22279752. Its totient is φ = 22203552.

The previous prime is 22241623. The next prime is 22241689. The reversal of 22241651 is 15614222.

It is a happy number.

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 22241651 - 2⁶ = 22241587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22261651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18161 + ... + 19346.

It is an arithmetic number, because the mean of its divisors is an integer number (5569938).

Almost surely, 2^22241651 is an apocalyptic number.

22241651 is a deficient number, since it is larger than the sum of its proper divisors (38101).

22241651 is an equidigital number, since it uses as much as digits as its factorization.

22241651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38100.

The product of its digits is 960, while the sum is 23.

The square root of 22241651 is about 4716.1054907625. The cubic root of 22241651 is about 281.2261322297.

Adding to 22241651 its reverse (15614222), we get a palindrome (37855873).

The spelling of 22241651 in words is "twenty-two million, two hundred forty-one thousand, six hundred fifty-one".