42204252 has 24 divisors (see below), whose sum is σ = 100879632. Its totient is φ = 13724800.

The previous prime is 42204247. The next prime is 42204277. The reversal of 42204252 is 25240224.

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, 42399 + ... + 43382.

It is an arithmetic number, because the mean of its divisors is an integer number (4203318).

Almost surely, 2^42204252 is an apocalyptic number.

It is an amenable number.

42204252 is an abundant number, since it is smaller than the sum of its proper divisors (58675380).

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

42204252 is a wasteful number, since it uses less digits than its factorization.

42204252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85829 (or 85827 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42204252 is about 6496.4799699530. The cubic root of 42204252 is about 348.1652339915.

Adding to 42204252 its reverse (25240224), we get a palindrome (67444476).

The spelling of 42204252 in words is "forty-two million, two hundred four thousand, two hundred fifty-two".