22490141 has 4 divisors (see below), whose sum is σ = 22506432. Its totient is φ = 22473852.

The previous prime is 22490137. The next prime is 22490177. The reversal of 22490141 is 14109422.

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 22490141 - 2² = 22490137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22490101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5861 + ... + 8906.

It is an arithmetic number, because the mean of its divisors is an integer number (5626608).

Almost surely, 2^22490141 is an apocalyptic number.

It is an amenable number.

22490141 is a deficient number, since it is larger than the sum of its proper divisors (16291).

22490141 is a wasteful number, since it uses less digits than its factorization.

22490141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 22490141 is about 4742.3771465374. The cubic root of 22490141 is about 282.2695685326.

Adding to 22490141 its reverse (14109422), we get a palindrome (36599563).

The spelling of 22490141 in words is "twenty-two million, four hundred ninety thousand, one hundred forty-one".