442257332 has 12 divisors (see below), whose sum is σ = 844309536. Its totient is φ = 201026040.

The previous prime is 442257323. The next prime is 442257341. The reversal of 442257332 is 233752244.

It is an interprime number because it is at equal distance from previous prime (442257323) and next prime (442257341).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025608 + ... + 5025695.

It is an arithmetic number, because the mean of its divisors is an integer number (70359128).

Almost surely, 2^442257332 is an apocalyptic number.

It is an amenable number.

442257332 is a deficient number, since it is larger than the sum of its proper divisors (402052204).

442257332 is a wasteful number, since it uses less digits than its factorization.

442257332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051318 (or 10051316 counting only the distinct ones).

The product of its digits is 40320, while the sum is 32.

The square root of 442257332 is about 21029.9151686354. The cubic root of 442257332 is about 761.8889599682. Note that the first 3 decimals are identical.

The spelling of 442257332 in words is "four hundred forty-two million, two hundred fifty-seven thousand, three hundred thirty-two".