442252255 has 8 divisors (see below), whose sum is σ = 538177824. Its totient is φ = 348818400.

The previous prime is 442252253. The next prime is 442252267. The reversal of 442252255 is 552252244.

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

It is not a de Polignac number, because 442252255 - 2¹ = 442252253 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 (442252253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622536 + ... + 623245.

It is an arithmetic number, because the mean of its divisors is an integer number (67272228).

Almost surely, 2^442252255 is an apocalyptic number.

442252255 is a deficient number, since it is larger than the sum of its proper divisors (95925569).

442252255 is a wasteful number, since it uses less digits than its factorization.

442252255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245857.

The product of its digits is 32000, while the sum is 31.

The square root of 442252255 is about 21029.7944592904. The cubic root of 442252255 is about 761.8860445275.

The spelling of 442252255 in words is "four hundred forty-two million, two hundred fifty-two thousand, two hundred fifty-five".