442307274 has 8 divisors (see below), whose sum is σ = 884614560. Its totient is φ = 147435756.

The previous prime is 442307269. The next prime is 442307297. The reversal of 442307274 is 472703244.

It is a sphenic number, since it is the product of 3 distinct primes.

442307274 is an admirable number.

It is a super-2 number, since 2×442307274² = 391271449266622152, which contains 22 as substring.

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, 36858934 + ... + 36858945.

It is an arithmetic number, because the mean of its divisors is an integer number (110576820).

Almost surely, 2^442307274 is an apocalyptic number.

442307274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

442307274 is a wasteful number, since it uses less digits than its factorization.

442307274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73717884.

The product of its (nonzero) digits is 37632, while the sum is 33.

The square root of 442307274 is about 21031.1025388590. The cubic root of 442307274 is about 761.9176377111.

The spelling of 442307274 in words is "four hundred forty-two million, three hundred seven thousand, two hundred seventy-four".