442522610 has 16 divisors (see below), whose sum is σ = 802814976. Its totient is φ = 175614768.

The previous prime is 442522567. The next prime is 442522621. The reversal of 442522610 is 16225244.

It is a super-2 number, since 2×442522610² = 391652520722424200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442522610.

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, 172952 + ... + 175491.

It is an arithmetic number, because the mean of its divisors is an integer number (50175936).

Almost surely, 2^442522610 is an apocalyptic number.

442522610 is a deficient number, since it is larger than the sum of its proper divisors (360292366).

442522610 is a wasteful number, since it uses less digits than its factorization.

442522610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348577.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 442522610 is about 21036.2213812272. The cubic root of 442522610 is about 762.0412634406.

Adding to 442522610 its reverse (16225244), we get a palindrome (458747854).

The spelling of 442522610 in words is "four hundred forty-two million, five hundred twenty-two thousand, six hundred ten".