22189641 has 16 divisors (see below), whose sum is σ = 32690304. Its totient is φ = 13316864.

The previous prime is 22189633. The next prime is 22189649. The reversal of 22189641 is 14698122.

It is an interprime number because it is at equal distance from previous prime (22189633) and next prime (22189649).

It is a cyclic number.

It is not a de Polignac number, because 22189641 - 2³ = 22189633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22189649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8286 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (2043144).

Almost surely, 2^22189641 is an apocalyptic number.

It is an amenable number.

22189641 is a deficient number, since it is larger than the sum of its proper divisors (10500663).

22189641 is a wasteful number, since it uses less digits than its factorization.

22189641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18960.

The product of its digits is 6912, while the sum is 33.

The square root of 22189641 is about 4710.5881798349. The cubic root of 22189641 is about 281.0067542269.

The spelling of 22189641 in words is "twenty-two million, one hundred eighty-nine thousand, six hundred forty-one".