4240622431 has 2 divisors, whose sum is σ = 4240622432. Its totient is φ = 4240622430.

The previous prime is 4240622417. The next prime is 4240622459. The reversal of 4240622431 is 1342260424.

It is an a-pointer prime, because the next prime (4240622459) can be obtained adding 4240622431 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4240622431 - 2¹⁵ = 4240589663 is a prime.

It is a super-2 number, since 2×4240622431² = 35965757204600699522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4240622431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240629431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120311215 + 2120311216.

It is an arithmetic number, because the mean of its divisors is an integer number (2120311216).

Almost surely, 2^4240622431 is an apocalyptic number.

4240622431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240622431 is an equidigital number, since it uses as much as digits as its factorization.

4240622431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 4240622431 is about 65120.0616630543. The cubic root of 4240622431 is about 1618.6136631974.

Adding to 4240622431 its reverse (1342260424), we get a palindrome (5582882855).

The spelling of 4240622431 in words is "four billion, two hundred forty million, six hundred twenty-two thousand, four hundred thirty-one".