22144023 has 40 divisors (see below), whose sum is σ = 37374480. Its totient is φ = 12942720.

The previous prime is 22144021. The next prime is 22144049. The reversal of 22144023 is 32044122.

22144023 is a `hidden beast` number, since 221 + 440 + 2 + 3 = 666.

It is not a de Polignac number, because 22144023 - 2¹ = 22144021 is a prime.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 22143987 and 22144005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25411 + ... + 26267.

It is an arithmetic number, because the mean of its divisors is an integer number (934362).

Almost surely, 2^22144023 is an apocalyptic number.

22144023 is a deficient number, since it is larger than the sum of its proper divisors (15230457).

22144023 is a wasteful number, since it uses less digits than its factorization.

22144023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22144023 is about 4705.7436181756. The cubic root of 22144023 is about 280.8140552903.

Adding to 22144023 its reverse (32044122), we get a palindrome (54188145).

Subtracting 22144023 from its reverse (32044122), we obtain a palindrome (9900099).

It can be divided in two parts, 221 and 44023, that added together give a palindrome (44244).

The spelling of 22144023 in words is "twenty-two million, one hundred forty-four thousand, twenty-three".