4402042331 has 4 divisors (see below), whose sum is σ = 4402567464. Its totient is φ = 4401517200.

The previous prime is 4402042321. The next prime is 4402042343. The reversal of 4402042331 is 1332402044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4402042331 - 2²² = 4397848027 is a prime.

It is a super-2 number, since 2×4402042331² = 38755953367831827122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4402042297 and 4402042306.

It is not an unprimeable number, because it can be changed into a prime (4402042301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 249785 + ... + 266826.

It is an arithmetic number, because the mean of its divisors is an integer number (1100641866).

Almost surely, 2^4402042331 is an apocalyptic number.

4402042331 is a deficient number, since it is larger than the sum of its proper divisors (525133).

4402042331 is an equidigital number, since it uses as much as digits as its factorization.

4402042331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525132.

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

The square root of 4402042331 is about 66347.8886702508. Note that the first 3 decimals coincide. The cubic root of 4402042331 is about 1638.8960361098.

Adding to 4402042331 its reverse (1332402044), we get a palindrome (5734444375).

The spelling of 4402042331 in words is "four billion, four hundred two million, forty-two thousand, three hundred thirty-one".