2220404031 has 6 divisors (see below), whose sum is σ = 3207250280. Its totient is φ = 1480269348.

The previous prime is 2220404027. The next prime is 2220404059. The reversal of 2220404031 is 1304040222.

2220404031 is a `hidden beast` number, since 2 + 220 + 40 + 403 + 1 = 666.

2220404031 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220404031 - 2² = 2220404027 is a prime.

It is a super-2 number, since 2×2220404031² = 9860388121762097922, 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 = 2220403995 and 2220404013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220404071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123355771 + ... + 123355788.

Almost surely, 2^2220404031 is an apocalyptic number.

2220404031 is a deficient number, since it is larger than the sum of its proper divisors (986846249).

2220404031 is a wasteful number, since it uses less digits than its factorization.

2220404031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246711565 (or 246711562 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2220404031 is about 47121.1633027030. The cubic root of 2220404031 is about 1304.5998843826.

Adding to 2220404031 its reverse (1304040222), we get a palindrome (3524444253).

The spelling of 2220404031 in words is "two billion, two hundred twenty million, four hundred four thousand, thirty-one".