422020042 has 8 divisors (see below), whose sum is σ = 633132000. Its totient is φ = 210976044.

The previous prime is 422020009. The next prime is 422020061. The reversal of 422020042 is 240020224.

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

It is a junction number, because it is equal to n+sod(n) for n = 422019998 and 422020025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3459 + ... + 29257.

It is an arithmetic number, because the mean of its divisors is an integer number (79141500).

Almost surely, 2^422020042 is an apocalyptic number.

422020042 is a deficient number, since it is larger than the sum of its proper divisors (211111958).

422020042 is a wasteful number, since it uses less digits than its factorization.

422020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33980.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 422020042 is about 20543.1263930299. The cubic root of 422020042 is about 750.0859409666.

Adding to 422020042 its reverse (240020224), we get a palindrome (662040266).

The spelling of 422020042 in words is "four hundred twenty-two million, twenty thousand, forty-two".