42322351 has 2 divisors, whose sum is σ = 42322352. Its totient is φ = 42322350.

The previous prime is 42322331. The next prime is 42322403. The reversal of 42322351 is 15322324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42322351 - 2¹⁹ = 41798063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42322331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21161175 + 21161176.

It is an arithmetic number, because the mean of its divisors is an integer number (21161176).

Almost surely, 2^42322351 is an apocalyptic number.

42322351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42322351 is an equidigital number, since it uses as much as digits as its factorization.

42322351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 42322351 is about 6505.5630809331. The cubic root of 42322351 is about 348.4896852845.

Adding to 42322351 its reverse (15322324), we get a palindrome (57644675).

The spelling of 42322351 in words is "forty-two million, three hundred twenty-two thousand, three hundred fifty-one".