42237233 has 2 divisors, whose sum is σ = 42237234. Its totient is φ = 42237232.

The previous prime is 42237211. The next prime is 42237241. The reversal of 42237233 is 33273224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35724529 + 6512704 = 5977^2 + 2552^2 .

It is a cyclic number.

It is not a de Polignac number, because 42237233 - 2²² = 38042929 is a prime.

It is not a weakly prime, because it can be changed into another prime (42237203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21118616 + 21118617.

It is an arithmetic number, because the mean of its divisors is an integer number (21118617).

Almost surely, 2^42237233 is an apocalyptic number.

It is an amenable number.

42237233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42237233 is an equidigital number, since it uses as much as digits as its factorization.

42237233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 26.

The square root of 42237233 is about 6499.0178488753. The cubic root of 42237233 is about 348.2559029581.

The spelling of 42237233 in words is "forty-two million, two hundred thirty-seven thousand, two hundred thirty-three".