442224148 has 24 divisors (see below), whose sum is σ = 798370272. Its totient is φ = 214172064.

The previous prime is 442224143. The next prime is 442224149. The reversal of 442224148 is 841422244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442224143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27015 + ... + 40177.

It is an arithmetic number, because the mean of its divisors is an integer number (33265428).

Almost surely, 2^442224148 is an apocalyptic number.

It is an amenable number.

442224148 is a deficient number, since it is larger than the sum of its proper divisors (356146124).

442224148 is a wasteful number, since it uses less digits than its factorization.

442224148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13431 (or 13429 counting only the distinct ones).

The product of its digits is 16384, while the sum is 31.

The square root of 442224148 is about 21029.1261825117. The cubic root of 442224148 is about 761.8699038261.

The spelling of 442224148 in words is "four hundred forty-two million, two hundred twenty-four thousand, one hundred forty-eight".