442250075 has 6 divisors (see below), whose sum is σ = 548390124. Its totient is φ = 353800040.

The previous prime is 442250071. The next prime is 442250089. The reversal of 442250075 is 570052244.

It is a happy number.

It is not a de Polignac number, because 442250075 - 2² = 442250071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442250071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8844977 + ... + 8845026.

It is an arithmetic number, because the mean of its divisors is an integer number (91398354).

Almost surely, 2^442250075 is an apocalyptic number.

442250075 is a deficient number, since it is larger than the sum of its proper divisors (106140049).

442250075 is a wasteful number, since it uses less digits than its factorization.

442250075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17690013 (or 17690008 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 442250075 is about 21029.7426280019. The cubic root of 442250075 is about 761.8847926670.

The spelling of 442250075 in words is "four hundred forty-two million, two hundred fifty thousand, seventy-five".