42322669 has 2 divisors, whose sum is σ = 42322670. Its totient is φ = 42322668.

The previous prime is 42322667. The next prime is 42322697. The reversal of 42322669 is 96622324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38900169 + 3422500 = 6237^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 42322669 - 2¹ = 42322667 is a prime.

It is a super-2 number, since 2×42322669² = 3582416622567122, which contains 22 as substring.

Together with 42322667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42322661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21161334 + 21161335.

It is an arithmetic number, because the mean of its divisors is an integer number (21161335).

Almost surely, 2^42322669 is an apocalyptic number.

It is an amenable number.

42322669 is a deficient number, since it is larger than the sum of its proper divisors (1).

42322669 is an equidigital number, since it uses as much as digits as its factorization.

42322669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 42322669 is about 6505.5875215080. The cubic root of 42322669 is about 348.4905581049.

The spelling of 42322669 in words is "forty-two million, three hundred twenty-two thousand, six hundred sixty-nine".