2220507031 has 4 divisors (see below), whose sum is σ = 2220652512. Its totient is φ = 2220361552.

The previous prime is 2220507007. The next prime is 2220507041. The reversal of 2220507031 is 1307050222.

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-2220507031 is a prime.

It is a super-2 number, since 2×2220507031² = 9861302949440869922, 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 = 2220506993 and 2220507011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220507001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46750 + ... + 81403.

It is an arithmetic number, because the mean of its divisors is an integer number (555163128).

Almost surely, 2^2220507031 is an apocalyptic number.

2220507031 is a deficient number, since it is larger than the sum of its proper divisors (145481).

2220507031 is a wasteful number, since it uses less digits than its factorization.

2220507031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145480.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2220507031 is about 47122.2562172059. The cubic root of 2220507031 is about 1304.6200566438.

Adding to 2220507031 its reverse (1307050222), we get a palindrome (3527557253).

The spelling of 2220507031 in words is "two billion, two hundred twenty million, five hundred seven thousand, thirty-one".