22141845 has 48 divisors (see below), whose sum is σ = 42928704. Its totient is φ = 10464000.

The previous prime is 22141829. The next prime is 22141853. The reversal of 22141845 is 54814122.

It is not a de Polignac number, because 22141845 - 2⁴ = 22141829 is a prime.

It is a super-2 number, since 2×22141845² = 980522600008050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19750 + ... + 20840.

It is an arithmetic number, because the mean of its divisors is an integer number (894348).

Almost surely, 2^22141845 is an apocalyptic number.

It is an amenable number.

22141845 is a deficient number, since it is larger than the sum of its proper divisors (20786859).

22141845 is a wasteful number, since it uses less digits than its factorization.

22141845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1151 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 22141845 is about 4705.5121931624. The cubic root of 22141845 is about 280.8048483956.

Adding to 22141845 its reverse (54814122), we get a palindrome (76955967).

The spelling of 22141845 in words is "twenty-two million, one hundred forty-one thousand, eight hundred forty-five".