22040706 has 16 divisors (see below), whose sum is σ = 44179200. Its totient is φ = 7330608.

The previous prime is 22040699. The next prime is 22040713. The reversal of 22040706 is 60704022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22040699) and next prime (22040713).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961 + ... + 6708.

It is an arithmetic number, because the mean of its divisors is an integer number (2761200).

Almost surely, 2^22040706 is an apocalyptic number.

22040706 is an abundant number, since it is smaller than the sum of its proper divisors (22138494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22040706 is a wasteful number, since it uses less digits than its factorization.

22040706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 22040706 is about 4694.7530286480. The cubic root of 22040706 is about 280.3766444867.

Adding to 22040706 its reverse (60704022), we get a palindrome (82744728).

The spelling of 22040706 in words is "twenty-two million, forty thousand, seven hundred six".