42222039 has 8 divisors (see below), whose sum is σ = 56739840. Its totient is φ = 27926136.

The previous prime is 42222023. The next prime is 42222041. The reversal of 42222039 is 93022224.

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

It is not a de Polignac number, because 42222039 - 2⁴ = 42222023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42222049) 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 7 ways as a sum of consecutive naturals, for example, 55029 + ... + 55790.

It is an arithmetic number, because the mean of its divisors is an integer number (7092480).

Almost surely, 2^42222039 is an apocalyptic number.

42222039 is a deficient number, since it is larger than the sum of its proper divisors (14517801).

42222039 is a wasteful number, since it uses less digits than its factorization.

42222039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110949.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 42222039 is about 6497.8487978715. The cubic root of 42222039 is about 348.2141385840.

The spelling of 42222039 in words is "forty-two million, two hundred twenty-two thousand, thirty-nine".