42229089 has 12 divisors (see below), whose sum is σ = 69711616. Its totient is φ = 24130872.

The previous prime is 42229087. The next prime is 42229091. The reversal of 42229089 is 98092224.

It is an interprime number because it is at equal distance from previous prime (42229087) and next prime (42229091).

It is not a de Polignac number, because 42229089 - 2¹ = 42229087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42229087) 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 11 ways as a sum of consecutive naturals, for example, 335089 + ... + 335214.

Almost surely, 2^42229089 is an apocalyptic number.

It is an amenable number.

42229089 is a deficient number, since it is larger than the sum of its proper divisors (27482527).

42229089 is a wasteful number, since it uses less digits than its factorization.

42229089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670316 (or 670313 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 42229089 is about 6498.3912624587. The cubic root of 42229089 is about 348.2335184553.

The spelling of 42229089 in words is "forty-two million, two hundred twenty-nine thousand, eighty-nine".