42322430 has 16 divisors (see below), whose sum is σ = 76330944. Its totient is φ = 16895520.

The previous prime is 42322403. The next prime is 42322439. The reversal of 42322430 is 3422324.

It is a super-2 number, since 2×42322430² = 3582376162209800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (4770684).

Almost surely, 2^42322430 is an apocalyptic number.

42322430 is a deficient number, since it is larger than the sum of its proper divisors (34008514).

42322430 is a wasteful number, since it uses less digits than its factorization.

42322430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42322430 is about 6505.5691526568. The cubic root of 42322430 is about 348.4899021176.

Adding to 42322430 its reverse (3422324), we get a palindrome (45744754).

The spelling of 42322430 in words is "forty-two million, three hundred twenty-two thousand, four hundred thirty".