42246433 has 2 divisors, whose sum is σ = 42246434. Its totient is φ = 42246432.

The previous prime is 42246403. The next prime is 42246437. The reversal of 42246433 is 33464224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31270464 + 10975969 = 5592^2 + 3313^2 .

It is a cyclic number.

It is not a de Polignac number, because 42246433 - 2²⁵ = 8692001 is a prime.

It is a super-2 number, since 2×42246433² = 3569522202446978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42246437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21123216 + 21123217.

It is an arithmetic number, because the mean of its divisors is an integer number (21123217).

Almost surely, 2^42246433 is an apocalyptic number.

It is an amenable number.

42246433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42246433 is an equidigital number, since it uses as much as digits as its factorization.

42246433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 28.

The square root of 42246433 is about 6499.7256095931. The cubic root of 42246433 is about 348.2811865092.

The spelling of 42246433 in words is "forty-two million, two hundred forty-six thousand, four hundred thirty-three".