42622 has 8 divisors (see below), whose sum is σ = 64872. Its totient is φ = 21000.

The previous prime is 42611. The next prime is 42641. The reversal of 42622 is 22624.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 42596 and 42605.

It is a congruent number.

It is an unprimeable number.

42622 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97 + ... + 307.

It is an arithmetic number, because the mean of its divisors is an integer number (8109).

2⁴²⁶²² is an apocalyptic number.

42622 is a deficient number, since it is larger than the sum of its proper divisors (22250).

42622 is a wasteful number, since it uses less digits than its factorization.

42622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its digits is 192, while the sum is 16.

The square root of 42622 is about 206.4509627006. The cubic root of 42622 is about 34.9310206046.

The spelling of 42622 in words is "forty-two thousand, six hundred twenty-two".