22144051 has 4 divisors (see below), whose sum is σ = 22158400. Its totient is φ = 22129704.

The previous prime is 22144049. The next prime is 22144079. The reversal of 22144051 is 15044122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15044122 = 2 ⋅7522061.

It is a cyclic number.

It is not a de Polignac number, because 22144051 - 2¹ = 22144049 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 4536 + ... + 8053.

It is an arithmetic number, because the mean of its divisors is an integer number (5539600).

Almost surely, 2^22144051 is an apocalyptic number.

22144051 is a deficient number, since it is larger than the sum of its proper divisors (14349).

22144051 is a wasteful number, since it uses less digits than its factorization.

22144051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14348.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 22144051 is about 4705.7465932623. The cubic root of 22144051 is about 280.8141736487.

Adding to 22144051 its reverse (15044122), we get a palindrome (37188173).

The spelling of 22144051 in words is "twenty-two million, one hundred forty-four thousand, fifty-one".