442225052 has 6 divisors (see below), whose sum is σ = 773893848. Its totient is φ = 221112524.

The previous prime is 442225033. The next prime is 442225061. The reversal of 442225052 is 250522244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55278128 + ... + 55278135.

It is an arithmetic number, because the mean of its divisors is an integer number (128982308).

Almost surely, 2^442225052 is an apocalyptic number.

It is an amenable number.

442225052 is a deficient number, since it is larger than the sum of its proper divisors (331668796).

442225052 is a wasteful number, since it uses less digits than its factorization.

442225052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110556267 (or 110556265 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 442225052 is about 21029.1476764989. The cubic root of 442225052 is about 761.8704229670.

Adding to 442225052 its reverse (250522244), we get a palindrome (692747296).

The spelling of 442225052 in words is "four hundred forty-two million, two hundred twenty-five thousand, fifty-two".