22187141 has 4 divisors (see below), whose sum is σ = 22213152. Its totient is φ = 22161132.

The previous prime is 22187131. The next prime is 22187167. The reversal of 22187141 is 14178122.

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.

It is a cyclic number.

It is not a de Polignac number, because 22187141 - 2¹⁸ = 21924997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22187141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22187131) 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, 11681 + ... + 13446.

It is an arithmetic number, because the mean of its divisors is an integer number (5553288).

Almost surely, 2^22187141 is an apocalyptic number.

It is an amenable number.

22187141 is a deficient number, since it is larger than the sum of its proper divisors (26011).

22187141 is an equidigital number, since it uses as much as digits as its factorization.

22187141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26010.

The product of its digits is 896, while the sum is 26.

The square root of 22187141 is about 4710.3228127168. The cubic root of 22187141 is about 280.9962006046.

The spelling of 22187141 in words is "twenty-two million, one hundred eighty-seven thousand, one hundred forty-one".