632220442 has 48 divisors (see below), whose sum is σ = 1135823040. Its totient is φ = 263051712.

The previous prime is 632220403. The next prime is 632220461. The reversal of 632220442 is 244022236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478659 + ... + 479977.

It is an arithmetic number, because the mean of its divisors is an integer number (23662980).

Almost surely, 2^632220442 is an apocalyptic number.

632220442 is a deficient number, since it is larger than the sum of its proper divisors (503602598).

632220442 is a wasteful number, since it uses less digits than its factorization.

632220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 632220442 is about 25143.9941536742. The cubic root of 632220442 is about 858.2678503306.

Adding to 632220442 its reverse (244022236), we get a palindrome (876242678).

The spelling of 632220442 in words is "six hundred thirty-two million, two hundred twenty thousand, four hundred forty-two".