2220956331 has 12 divisors (see below), whose sum is σ = 3254955816. Its totient is φ = 1346033920.

The previous prime is 2220956327. The next prime is 2220956357. The reversal of 2220956331 is 1336590222.

It is not a de Polignac number, because 2220956331 - 2² = 2220956327 is a prime.

It is a super-2 number, since 2×2220956331² = 9865294048417963122, 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 = 2220956292 and 2220956301.

It is not an unprimeable number, because it can be changed into a prime (2220956131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3058806 + ... + 3059531.

It is an arithmetic number, because the mean of its divisors is an integer number (271246318).

Almost surely, 2^2220956331 is an apocalyptic number.

2220956331 is a deficient number, since it is larger than the sum of its proper divisors (1033999485).

2220956331 is a wasteful number, since it uses less digits than its factorization.

2220956331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6118362 (or 6118351 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 2220956331 is about 47127.0233623979. The cubic root of 2220956331 is about 1304.7080434943.

The spelling of 2220956331 in words is "two billion, two hundred twenty million, nine hundred fifty-six thousand, three hundred thirty-one".