22144413 has 8 divisors (see below), whose sum is σ = 29607808. Its totient is φ = 14721984.

The previous prime is 22144393. The next prime is 22144427. The reversal of 22144413 is 31444122.

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

It is not a de Polignac number, because 22144413 - 2¹⁰ = 22143389 is a prime.

It is a super-2 number, since 2×22144413² = 980750054229138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22144413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8956 + ... + 11157.

It is an arithmetic number, because the mean of its divisors is an integer number (3700976).

Almost surely, 2^22144413 is an apocalyptic number.

It is an amenable number.

22144413 is a deficient number, since it is larger than the sum of its proper divisors (7463395).

22144413 is a wasteful number, since it uses less digits than its factorization.

22144413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20483.

The product of its digits is 768, while the sum is 21.

The square root of 22144413 is about 4705.7850567148. The cubic root of 22144413 is about 280.8157038441.

Adding to 22144413 its reverse (31444122), we get a palindrome (53588535).

The spelling of 22144413 in words is "twenty-two million, one hundred forty-four thousand, four hundred thirteen".