22090641 has 8 divisors (see below), whose sum is σ = 29550144. Its totient is φ = 14679120.

The previous prime is 22090639. The next prime is 22090643. The reversal of 22090641 is 14609022.

It is an interprime number because it is at equal distance from previous prime (22090639) and next prime (22090643).

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

It is not a de Polignac number, because 22090641 - 2¹ = 22090639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22090643) 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, 10906 + ... + 12771.

It is an arithmetic number, because the mean of its divisors is an integer number (3693768).

Almost surely, 2^22090641 is an apocalyptic number.

It is an amenable number.

22090641 is a deficient number, since it is larger than the sum of its proper divisors (7459503).

22090641 is a wasteful number, since it uses less digits than its factorization.

22090641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23991.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22090641 is about 4700.0681909947. The cubic root of 22090641 is about 280.5882234301.

Adding to 22090641 its reverse (14609022), we get a palindrome (36699663).

The spelling of 22090641 in words is "twenty-two million, ninety thousand, six hundred forty-one".