22123801 has 16 divisors (see below), whose sum is σ = 26718208. Its totient is φ = 17917200.

The previous prime is 22123799. The next prime is 22123807. The reversal of 22123801 is 10832122.

It is not a de Polignac number, because 22123801 - 2¹ = 22123799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22123807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8146 + ... + 10516.

It is an arithmetic number, because the mean of its divisors is an integer number (1669888).

Almost surely, 2^22123801 is an apocalyptic number.

It is an amenable number.

22123801 is a deficient number, since it is larger than the sum of its proper divisors (4594407).

22123801 is a wasteful number, since it uses less digits than its factorization.

22123801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 22123801 is about 4703.5944765679. The cubic root of 22123801 is about 280.7285491279.

Adding to 22123801 its reverse (10832122), we get a palindrome (32955923).

The spelling of 22123801 in words is "twenty-two million, one hundred twenty-three thousand, eight hundred one".