442224455 has 32 divisors (see below), whose sum is σ = 562974720. Its totient is φ = 333020160.

The previous prime is 442224397. The next prime is 442224467. The reversal of 442224455 is 554422244.

It is a de Polignac number, because none of the positive numbers 2^k-442224455 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1007126 + ... + 1007564.

It is an arithmetic number, because the mean of its divisors is an integer number (17592960).

Almost surely, 2^442224455 is an apocalyptic number.

442224455 is a deficient number, since it is larger than the sum of its proper divisors (120750265).

442224455 is a wasteful number, since it uses less digits than its factorization.

442224455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its digits is 51200, while the sum is 32.

The square root of 442224455 is about 21029.1334819103. The cubic root of 442224455 is about 761.8700801274.

Adding to 442224455 its reverse (554422244), we get a palindrome (996646699).

The spelling of 442224455 in words is "four hundred forty-two million, two hundred twenty-four thousand, four hundred fifty-five".