42244799 has 2 divisors, whose sum is σ = 42244800. Its totient is φ = 42244798.

The previous prime is 42244789. The next prime is 42244823. The reversal of 42244799 is 99744224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42244799 - 2¹² = 42240703 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 (42244739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21122399 + 21122400.

It is an arithmetic number, because the mean of its divisors is an integer number (21122400).

Almost surely, 2^42244799 is an apocalyptic number.

42244799 is a deficient number, since it is larger than the sum of its proper divisors (1).

42244799 is an equidigital number, since it uses as much as digits as its factorization.

42244799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 42244799 is about 6499.5999107637. The cubic root of 42244799 is about 348.2766961987.

The spelling of 42244799 in words is "forty-two million, two hundred forty-four thousand, seven hundred ninety-nine".