22140801 has 12 divisors (see below), whose sum is σ = 32070480. Its totient is φ = 14719320.

The previous prime is 22140791. The next prime is 22140821. The reversal of 22140801 is 10804122.

It is a de Polignac number, because none of the positive numbers 2^k-22140801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22140821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166 + ... + 6656.

It is an arithmetic number, because the mean of its divisors is an integer number (2672540).

Almost surely, 2^22140801 is an apocalyptic number.

It is an amenable number.

22140801 is a deficient number, since it is larger than the sum of its proper divisors (9929679).

22140801 is a wasteful number, since it uses less digits than its factorization.

22140801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876 (or 6873 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 22140801 is about 4705.4012581288. The cubic root of 22140801 is about 280.8004349593.

Adding to 22140801 its reverse (10804122), we get a palindrome (32944923).

The spelling of 22140801 in words is "twenty-two million, one hundred forty thousand, eight hundred one".