22219641 has 12 divisors (see below), whose sum is σ = 32238180. Its totient is φ = 14747040.

The previous prime is 22219627. The next prime is 22219643. The reversal of 22219641 is 14691222.

22219641 is a `hidden beast` number, since 2 + 2 + 2 + 19 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14402025 + 7817616 = 3795^2 + 2796^2 .

It is not a de Polignac number, because 22219641 - 2⁵ = 22219609 is a prime.

It is a super-3 number, since 3×22219641³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22219643) 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 11 ways as a sum of consecutive naturals, for example, 3330 + ... + 7451.

It is an arithmetic number, because the mean of its divisors is an integer number (2686515).

Almost surely, 2^22219641 is an apocalyptic number.

It is an amenable number.

22219641 is a deficient number, since it is larger than the sum of its proper divisors (10018539).

22219641 is a wasteful number, since it uses less digits than its factorization.

22219641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11016 (or 11013 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 22219641 is about 4713.7714199991. The cubic root of 22219641 is about 281.1333359101.

The spelling of 22219641 in words is "twenty-two million, two hundred nineteen thousand, six hundred forty-one".