22042641 has 8 divisors (see below), whose sum is σ = 30937120. Its totient is φ = 13921632.

The previous prime is 22042627. The next prime is 22042649. The reversal of 22042641 is 14624022.

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

It is not a de Polignac number, because 22042641 - 2¹¹ = 22040593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22042649) 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, 193300 + ... + 193413.

It is an arithmetic number, because the mean of its divisors is an integer number (3867140).

Almost surely, 2^22042641 is an apocalyptic number.

It is an amenable number.

22042641 is a deficient number, since it is larger than the sum of its proper divisors (8894479).

22042641 is a wasteful number, since it uses less digits than its factorization.

22042641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386735.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22042641 is about 4694.9591052532. The cubic root of 22042641 is about 280.3848491986.

Adding to 22042641 its reverse (14624022), we get a palindrome (36666663).

The spelling of 22042641 in words is "twenty-two million, forty-two thousand, six hundred forty-one".