42274433 has 2 divisors, whose sum is σ = 42274434. Its totient is φ = 42274432.

The previous prime is 42274423. The next prime is 42274439. The reversal of 42274433 is 33447224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21270544 + 21003889 = 4612^2 + 4583^2 .

It is a cyclic number.

It is not a de Polignac number, because 42274433 - 2⁶ = 42274369 is a prime.

It is equal to p_2563319 and since 42274433 and 2563319 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 42274396 and 42274405.

It is not a weakly prime, because it can be changed into another prime (42274439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21137216 + 21137217.

It is an arithmetic number, because the mean of its divisors is an integer number (21137217).

Almost surely, 2^42274433 is an apocalyptic number.

It is an amenable number.

42274433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42274433 is an equidigital number, since it uses as much as digits as its factorization.

42274433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 29.

The square root of 42274433 is about 6501.8791898958. The cubic root of 42274433 is about 348.3581138683.

The spelling of 42274433 in words is "forty-two million, two hundred seventy-four thousand, four hundred thirty-three".