22140626 has 8 divisors (see below), whose sum is σ = 33240780. Its totient is φ = 11060368.

The previous prime is 22140623. The next prime is 22140631. The reversal of 22140626 is 62604122.

It can be written as a sum of positive squares in 2 ways, for example, as 22080601 + 60025 = 4699^2 + 245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22140623) 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, 1781 + ... + 6888.

Almost surely, 2^22140626 is an apocalyptic number.

22140626 is a deficient number, since it is larger than the sum of its proper divisors (11100154).

22140626 is a wasteful number, since it uses less digits than its factorization.

22140626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9948.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22140626 is about 4705.3826624410. The cubic root of 22140626 is about 280.7996951455.

Adding to 22140626 its reverse (62604122), we get a palindrome (84744748).

The spelling of 22140626 in words is "twenty-two million, one hundred forty thousand, six hundred twenty-six".