2221244031 has 16 divisors (see below), whose sum is σ = 2994403328. Its totient is φ = 1464480000.

The previous prime is 2221243993. The next prime is 2221244033. The reversal of 2221244031 is 1304421222.

It is not a de Polignac number, because 2221244031 - 2²² = 2217049727 is a prime.

It is a super-2 number, since 2×2221244031² = 9867850090506257922, 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 = 2221243989 and 2221244007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221244033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653346 + ... + 656736.

It is an arithmetic number, because the mean of its divisors is an integer number (187150208).

Almost surely, 2^2221244031 is an apocalyptic number.

2221244031 is a deficient number, since it is larger than the sum of its proper divisors (773159297).

2221244031 is a wasteful number, since it uses less digits than its factorization.

2221244031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2221244031 is about 47130.0756523900. The cubic root of 2221244031 is about 1304.7643778298.

Adding to 2221244031 its reverse (1304421222), we get a palindrome (3525665253).

It can be divided in two parts, 222 and 1244031, that added together give a triangular number (1244253 = T₁₅₇₇).

The spelling of 2221244031 in words is "two billion, two hundred twenty-one million, two hundred forty-four thousand, thirty-one".