4421072931 has 16 divisors (see below), whose sum is σ = 6769107840. Its totient is φ = 2538414720.

The previous prime is 4421072879. The next prime is 4421072951. The reversal of 4421072931 is 1392701244.

It is not a de Polignac number, because 4421072931 - 2¹¹ = 4421070883 is a prime.

It is a super-2 number, since 2×4421072931² = 39091771722441861522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 4421072892 and 4421072901.

It is not an unprimeable number, because it can be changed into a prime (4421072951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3524950 + ... + 3526203.

It is an arithmetic number, because the mean of its divisors is an integer number (423069240).

Almost surely, 2^4421072931 is an apocalyptic number.

4421072931 is a deficient number, since it is larger than the sum of its proper divisors (2348034909).

4421072931 is a wasteful number, since it uses less digits than its factorization.

4421072931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7051186.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 4421072931 is about 66491.1492681545. The cubic root of 4421072931 is about 1641.2543609698.

The spelling of 4421072931 in words is "four billion, four hundred twenty-one million, seventy-two thousand, nine hundred thirty-one".