22420567 has 8 divisors (see below), whose sum is σ = 24978240. Its totient is φ = 19981920.

The previous prime is 22420549. The next prime is 22420571. The reversal of 22420567 is 76502422.

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 22420567 - 2⁷ = 22420439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420507) 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 7 ways as a sum of consecutive naturals, for example, 29359 + ... + 30112.

It is an arithmetic number, because the mean of its divisors is an integer number (3122280).

Almost surely, 2^22420567 is an apocalyptic number.

22420567 is a deficient number, since it is larger than the sum of its proper divisors (2557673).

22420567 is a wasteful number, since it uses less digits than its factorization.

22420567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59513.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 22420567 is about 4735.0361139066. The cubic root of 22420567 is about 281.9781977679.

Adding to 22420567 its reverse (76502422), we get a palindrome (98922989).

The spelling of 22420567 in words is "twenty-two million, four hundred twenty thousand, five hundred sixty-seven".