42222689 has 8 divisors (see below), whose sum is σ = 43799712. Its totient is φ = 40672800.

The previous prime is 42222673. The next prime is 42222703. The reversal of 42222689 is 98622224.

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

It is a cyclic number.

It is not a de Polignac number, because 42222689 - 2⁴ = 42222673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42222659) 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, 3587 + ... + 9864.

It is an arithmetic number, because the mean of its divisors is an integer number (5474964).

Almost surely, 2^42222689 is an apocalyptic number.

It is an amenable number.

42222689 is a deficient number, since it is larger than the sum of its proper divisors (1577023).

42222689 is a wasteful number, since it uses less digits than its factorization.

42222689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13567.

The product of its digits is 27648, while the sum is 35.

The square root of 42222689 is about 6497.8988142322. The cubic root of 42222689 is about 348.2159254709.

The spelling of 42222689 in words is "forty-two million, two hundred twenty-two thousand, six hundred eighty-nine".