22424893 has 2 divisors, whose sum is σ = 22424894. Its totient is φ = 22424892.

The previous prime is 22424879. The next prime is 22424903. The reversal of 22424893 is 39842422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21874329 + 550564 = 4677^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 22424893 - 2¹³ = 22416701 is a prime.

It is a super-2 number, since 2×22424893² = 1005751652122898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22424813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212446 + 11212447.

It is an arithmetic number, because the mean of its divisors is an integer number (11212447).

Almost surely, 2^22424893 is an apocalyptic number.

It is an amenable number.

22424893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424893 is an equidigital number, since it uses as much as digits as its factorization.

22424893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 22424893 is about 4735.4928993717. The cubic root of 22424893 is about 281.9963322964.

The spelling of 22424893 in words is "twenty-two million, four hundred twenty-four thousand, eight hundred ninety-three".