22443141 has 8 divisors (see below), whose sum is σ = 34199104. Its totient is φ = 12824640.

The previous prime is 22443139. The next prime is 22443229. The reversal of 22443141 is 14134422.

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

It is not a de Polignac number, because 22443141 - 2¹ = 22443139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1068721 = 22443141 / (2 + 2 + 4 + 4 + 3 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443121) 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, 534340 + ... + 534381.

It is an arithmetic number, because the mean of its divisors is an integer number (4274888).

Almost surely, 2^22443141 is an apocalyptic number.

22443141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22443141 is a deficient number, since it is larger than the sum of its proper divisors (11755963).

22443141 is a wasteful number, since it uses less digits than its factorization.

22443141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068731.

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

The square root of 22443141 is about 4737.4192341400. The cubic root of 22443141 is about 282.0728019873.

Adding to 22443141 its reverse (14134422), we get a palindrome (36577563).

It can be divided in two parts, 224 and 43141, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 22443141 in words is "twenty-two million, four hundred forty-three thousand, one hundred forty-one".