22340506 has 16 divisors (see below), whose sum is σ = 33965568. Its totient is φ = 11020000.

The previous prime is 22340503. The next prime is 22340543. The reversal of 22340506 is 60504322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22340503) 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, 88881 + ... + 89131.

It is an arithmetic number, because the mean of its divisors is an integer number (2122848).

Almost surely, 2^22340506 is an apocalyptic number.

22340506 is a deficient number, since it is larger than the sum of its proper divisors (11625062).

22340506 is a wasteful number, since it uses less digits than its factorization.

22340506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 22340506 is about 4726.5744466791. The cubic root of 22340506 is about 281.6421613466.

Adding to 22340506 its reverse (60504322), we get a palindrome (82844828).

The spelling of 22340506 in words is "twenty-two million, three hundred forty thousand, five hundred six".