42204022 has 8 divisors (see below), whose sum is σ = 72349776. Its totient is φ = 18087432.

The previous prime is 42204017. The next prime is 42204049. The reversal of 42204022 is 22040224.

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 = 42203987 and 42204005.

It is a congruent number.

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, 1507273 + ... + 1507300.

It is an arithmetic number, because the mean of its divisors is an integer number (9043722).

Almost surely, 2^42204022 is an apocalyptic number.

42204022 is a deficient number, since it is larger than the sum of its proper divisors (30145754).

42204022 is a wasteful number, since it uses less digits than its factorization.

42204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014582.

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

The square root of 42204022 is about 6496.4622680348. The cubic root of 42204022 is about 348.1646015264.

Adding to 42204022 its reverse (22040224), we get a palindrome (64244246).

The spelling of 42204022 in words is "forty-two million, two hundred four thousand, twenty-two".