442214330 has 64 divisors (see below), whose sum is σ = 866557440. Its totient is φ = 161973504.

The previous prime is 442214327. The next prime is 442214393. The reversal of 442214330 is 33412244.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 442214296 and 442214305.

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, 1113692 + ... + 1114088.

It is an arithmetic number, because the mean of its divisors is an integer number (13539960).

Almost surely, 2^442214330 is an apocalyptic number.

442214330 is a deficient number, since it is larger than the sum of its proper divisors (424343110).

442214330 is a wasteful number, since it uses less digits than its factorization.

442214330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442214330 is about 21028.8927430809. The cubic root of 442214330 is about 761.8642655888.

Adding to 442214330 its reverse (33412244), we get a palindrome (475626574).

The spelling of 442214330 in words is "four hundred forty-two million, two hundred fourteen thousand, three hundred thirty".