2220240231 has 24 divisors (see below), whose sum is σ = 3682698240. Its totient is φ = 1274778000.

The previous prime is 2220240229. The next prime is 2220240233. The reversal of 2220240231 is 1320420222.

It is an interprime number because it is at equal distance from previous prime (2220240229) and next prime (2220240233).

It is not a de Polignac number, because 2220240231 - 2¹ = 2220240229 is a prime.

It is a super-4 number, since 4×2220240231⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220240233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 588295 + ... + 592056.

It is an arithmetic number, because the mean of its divisors is an integer number (153445760).

Almost surely, 2^2220240231 is an apocalyptic number.

2220240231 is a deficient number, since it is larger than the sum of its proper divisors (1462458009).

2220240231 is a wasteful number, since it uses less digits than its factorization.

2220240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180387 (or 1180384 counting only the distinct ones).

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

The square root of 2220240231 is about 47119.4251981070. The cubic root of 2220240231 is about 1304.5678033269.

Adding to 2220240231 its reverse (1320420222), we get a palindrome (3540660453).

Subtracting from 2220240231 its reverse (1320420222), we obtain a square (899820009 = 29997²).

The spelling of 2220240231 in words is "two billion, two hundred twenty million, two hundred forty thousand, two hundred thirty-one".