22240501 has 2 divisors, whose sum is σ = 22240502. Its totient is φ = 22240500.

The previous prime is 22240499. The next prime is 22240553. The reversal of 22240501 is 10504222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17514225 + 4726276 = 4185^2 + 2174^2 .

It is a cyclic number.

It is not a de Polignac number, because 22240501 - 2¹ = 22240499 is a prime.

Together with 22240499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22240201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120250 + 11120251.

It is an arithmetic number, because the mean of its divisors is an integer number (11120251).

Almost surely, 2^22240501 is an apocalyptic number.

It is an amenable number.

22240501 is a deficient number, since it is larger than the sum of its proper divisors (1).

22240501 is an equidigital number, since it uses as much as digits as its factorization.

22240501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22240501 is about 4715.9835665532. The cubic root of 22240501 is about 281.2212852330.

Adding to 22240501 its reverse (10504222), we get a palindrome (32744723).

The spelling of 22240501 in words is "twenty-two million, two hundred forty thousand, five hundred one".