442255967 has 4 divisors (see below), whose sum is σ = 444091296. Its totient is φ = 440420640.

The previous prime is 442255963. The next prime is 442255981. The reversal of 442255967 is 769552244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442255967 - 2² = 442255963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442255963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917303 + ... + 917784.

It is an arithmetic number, because the mean of its divisors is an integer number (111022824).

Almost surely, 2^442255967 is an apocalyptic number.

442255967 is a deficient number, since it is larger than the sum of its proper divisors (1835329).

442255967 is a wasteful number, since it uses less digits than its factorization.

442255967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835328.

The product of its digits is 604800, while the sum is 44.

The square root of 442255967 is about 21029.8827148418. The cubic root of 442255967 is about 761.8881761262. Note that the first 3 decimals are identical.

The spelling of 442255967 in words is "four hundred forty-two million, two hundred fifty-five thousand, nine hundred sixty-seven".