22491141 has 8 divisors (see below), whose sum is σ = 30011520. Its totient is φ = 14982432.

The previous prime is 22491137. The next prime is 22491143. The reversal of 22491141 is 14119422.

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

It is not a de Polignac number, because 22491141 - 2² = 22491137 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22491143) 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, 3780 + ... + 7698.

It is an arithmetic number, because the mean of its divisors is an integer number (3751440).

Almost surely, 2^22491141 is an apocalyptic number.

It is an amenable number.

22491141 is a deficient number, since it is larger than the sum of its proper divisors (7520379).

22491141 is a wasteful number, since it uses less digits than its factorization.

22491141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835.

The product of its digits is 576, while the sum is 24.

The square root of 22491141 is about 4742.4825777223. The cubic root of 22491141 is about 282.2737520752.

The spelling of 22491141 in words is "twenty-two million, four hundred ninety-one thousand, one hundred forty-one".