42222686 has 16 divisors (see below), whose sum is σ = 69285888. Its totient is φ = 19138200.

The previous prime is 42222673. The next prime is 42222703. The reversal of 42222686 is 68622224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5921 + ... + 10931.

It is an arithmetic number, because the mean of its divisors is an integer number (4330368).

Almost surely, 2^42222686 is an apocalyptic number.

42222686 is a deficient number, since it is larger than the sum of its proper divisors (27063202).

42222686 is a wasteful number, since it uses less digits than its factorization.

42222686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407.

The product of its digits is 18432, while the sum is 32.

The square root of 42222686 is about 6497.8985833883. The cubic root of 42222686 is about 348.2159172238.

The spelling of 42222686 in words is "forty-two million, two hundred twenty-two thousand, six hundred eighty-six".