42999622 has 8 divisors (see below), whose sum is σ = 67894200. Its totient is φ = 20368224.

The previous prime is 42999601. The next prime is 42999623. The reversal of 42999622 is 22699924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42999623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565747 + ... + 565822.

It is an arithmetic number, because the mean of its divisors is an integer number (8486775).

Almost surely, 2^42999622 is an apocalyptic number.

42999622 is a deficient number, since it is larger than the sum of its proper divisors (24894578).

42999622 is a wasteful number, since it uses less digits than its factorization.

42999622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131590.

The product of its digits is 139968, while the sum is 43.

The square root of 42999622 is about 6557.4097020089. The cubic root of 42999622 is about 350.3387794586.

The spelling of 42999622 in words is "forty-two million, nine hundred ninety-nine thousand, six hundred twenty-two".