2220201231 has 8 divisors (see below), whose sum is σ = 2982866304. Its totient is φ = 1468835160.

The previous prime is 2220201223. The next prime is 2220201239. The reversal of 2220201231 is 1321020222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2220201223) and next prime (2220201239).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220201231 - 2³ = 2220201223 is a prime.

It is a super-2 number, since 2×2220201231² = 9858587012267830722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2220201231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220201239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2824291 + ... + 2825076.

It is an arithmetic number, because the mean of its divisors is an integer number (372858288).

Almost surely, 2^2220201231 is an apocalyptic number.

2220201231 is a deficient number, since it is larger than the sum of its proper divisors (762665073).

2220201231 is a wasteful number, since it uses less digits than its factorization.

2220201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649501.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2220201231 is about 47119.0113542294. The cubic root of 2220201231 is about 1304.5601647477.

Adding to 2220201231 its reverse (1321020222), we get a palindrome (3541221453).

The spelling of 2220201231 in words is "two billion, two hundred twenty million, two hundred one thousand, two hundred thirty-one".