442012233 has 32 divisors (see below), whose sum is σ = 643552000. Its totient is φ = 269837568.

The previous prime is 442012211. The next prime is 442012261. The reversal of 442012233 is 332210244.

It is not a de Polignac number, because 442012233 - 2⁶ = 442012169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442012273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1311441 + ... + 1311777.

It is an arithmetic number, because the mean of its divisors is an integer number (20111000).

Almost surely, 2^442012233 is an apocalyptic number.

It is an amenable number.

442012233 is a deficient number, since it is larger than the sum of its proper divisors (201539767).

442012233 is a wasteful number, since it uses less digits than its factorization.

442012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 442012233 is about 21024.0869718521. The cubic root of 442012233 is about 761.7481876801.

Adding to 442012233 its reverse (332210244), we get a palindrome (774222477).

It can be divided in two parts, 4420 and 12233, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 442012233 in words is "four hundred forty-two million, twelve thousand, two hundred thirty-three".