22145341 has 4 divisors (see below), whose sum is σ = 22304800. Its totient is φ = 21985884.

The previous prime is 22145327. The next prime is 22145363. The reversal of 22145341 is 14354122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14354122 = 2 ⋅7177061.

It is a cyclic number.

It is not a de Polignac number, because 22145341 - 2¹¹ = 22143293 is a prime.

It is a super-2 number, since 2×22145341² = 980832256012562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145311) 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, 79521 + ... + 79798.

It is an arithmetic number, because the mean of its divisors is an integer number (5576200).

Almost surely, 2^22145341 is an apocalyptic number.

It is an amenable number.

22145341 is a deficient number, since it is larger than the sum of its proper divisors (159459).

22145341 is a wasteful number, since it uses less digits than its factorization.

22145341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159458.

The product of its digits is 960, while the sum is 22.

The square root of 22145341 is about 4705.8836577204. The cubic root of 22145341 is about 280.8196264789.

Adding to 22145341 its reverse (14354122), we get a palindrome (36499463).

The spelling of 22145341 in words is "twenty-two million, one hundred forty-five thousand, three hundred forty-one".