4433220131 has 4 divisors (see below), whose sum is σ = 4576227264. Its totient is φ = 4290213000.

The previous prime is 4433220119. The next prime is 4433220133. The reversal of 4433220131 is 1310223344.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4433220131 is a prime.

It is a super-2 number, since 2×4433220131² = 39306881459807314322, 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 = 4433220097 and 4433220106.

It is not an unprimeable number, because it can be changed into a prime (4433220133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71503520 + ... + 71503581.

It is an arithmetic number, because the mean of its divisors is an integer number (1144056816).

Almost surely, 2^4433220131 is an apocalyptic number.

4433220131 is a deficient number, since it is larger than the sum of its proper divisors (143007133).

4433220131 is a wasteful number, since it uses less digits than its factorization.

4433220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143007132.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4433220131 is about 66582.4310986014. The cubic root of 4433220131 is about 1642.7561392339.

Adding to 4433220131 its reverse (1310223344), we get a palindrome (5743443475).

The spelling of 4433220131 in words is "four billion, four hundred thirty-three million, two hundred twenty thousand, one hundred thirty-one".