22424641 has 2 divisors, whose sum is σ = 22424642. Its totient is φ = 22424640.

The previous prime is 22424639. The next prime is 22424659. The reversal of 22424641 is 14642422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22127616 + 297025 = 4704^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 22424641 - 2¹ = 22424639 is a prime.

Together with 22424639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22424621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212320 + 11212321.

It is an arithmetic number, because the mean of its divisors is an integer number (11212321).

Almost surely, 2^22424641 is an apocalyptic number.

It is an amenable number.

22424641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424641 is an equidigital number, since it uses as much as digits as its factorization.

22424641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 25.

The square root of 22424641 is about 4735.4662917183. The cubic root of 22424641 is about 281.9952759801.

The spelling of 22424641 in words is "twenty-two million, four hundred twenty-four thousand, six hundred forty-one".