42206622 has 8 divisors (see below), whose sum is σ = 84413256. Its totient is φ = 14068872.

The previous prime is 42206621. The next prime is 42206627. The reversal of 42206622 is 22660224.

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

42206622 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42206592 and 42206601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42206621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3517213 + ... + 3517224.

It is an arithmetic number, because the mean of its divisors is an integer number (10551657).

Almost surely, 2^42206622 is an apocalyptic number.

42206622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42206622 is a wasteful number, since it uses less digits than its factorization.

42206622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7034442.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42206622 is about 6496.6623738655. The cubic root of 42206622 is about 348.1717509980.

Adding to 42206622 its reverse (22660224), we get a palindrome (64866846).

The spelling of 42206622 in words is "forty-two million, two hundred six thousand, six hundred twenty-two".