2221133031 has 18 divisors (see below), whose sum is σ = 3474082248. Its totient is φ = 1366850160.

The previous prime is 2221133021. The next prime is 2221133053. The reversal of 2221133031 is 1303311222.

2221133031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2221133031 - 2⁹ = 2221132519 is a prime.

It is a super-2 number, since 2×2221133031² = 9866863882798493922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221132995 and 2221133013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221133021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 728635 + ... + 731676.

Almost surely, 2^2221133031 is an apocalyptic number.

2221133031 is a deficient number, since it is larger than the sum of its proper divisors (1252949217).

2221133031 is a wasteful number, since it uses less digits than its factorization.

2221133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460343 (or 1460327 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2221133031 is about 47128.8980456789. The cubic root of 2221133031 is about 1304.7426435739.

Adding to 2221133031 its reverse (1303311222), we get a palindrome (3524444253).

The spelling of 2221133031 in words is "two billion, two hundred twenty-one million, one hundred thirty-three thousand, thirty-one".