22641007 has 2 divisors, whose sum is σ = 22641008. Its totient is φ = 22641006.

The previous prime is 22640999. The next prime is 22641011. The reversal of 22641007 is 70014622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22641007 - 2³ = 22640999 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22641107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11320503 + 11320504.

It is an arithmetic number, because the mean of its divisors is an integer number (11320504).

Almost surely, 2^22641007 is an apocalyptic number.

22641007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22641007 is an equidigital number, since it uses as much as digits as its factorization.

22641007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 22641007 is about 4758.2567185893. The cubic root of 22641007 is about 282.8993261506.

Adding to 22641007 its reverse (70014622), we get a palindrome (92655629).

The spelling of 22641007 in words is "twenty-two million, six hundred forty-one thousand, seven".