442912102 has 16 divisors (see below), whose sum is σ = 671731200. Its totient is φ = 219014280.

The previous prime is 442912091. The next prime is 442912117. The reversal of 442912102 is 201219244.

It is a super-2 number, since 2×442912102² = 392342260196116808, which contains 22 as substring.

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, 72399 + ... + 78277.

It is an arithmetic number, because the mean of its divisors is an integer number (41983200).

Almost surely, 2^442912102 is an apocalyptic number.

442912102 is a deficient number, since it is larger than the sum of its proper divisors (228819098).

442912102 is a wasteful number, since it uses less digits than its factorization.

442912102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 442912102 is about 21045.4769962574. The cubic root of 442912102 is about 762.2647713711.

The spelling of 442912102 in words is "four hundred forty-two million, nine hundred twelve thousand, one hundred two".