2122201231 has 8 divisors (see below), whose sum is σ = 2172205904. Its totient is φ = 2072226240.

The previous prime is 2122201223. The next prime is 2122201247. The reversal of 2122201231 is 1321022212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2122201231 - 2³ = 2122201223 is a prime.

It is a super-2 number, since 2×2122201231² = 9007476129715830722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122201531) 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, 213451 + ... + 223171.

It is an arithmetic number, because the mean of its divisors is an integer number (271525738).

Almost surely, 2^2122201231 is an apocalyptic number.

2122201231 is a deficient number, since it is larger than the sum of its proper divisors (50004673).

2122201231 is an equidigital number, since it uses as much as digits as its factorization.

2122201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14841.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2122201231 is about 46067.3553723241. The cubic root of 2122201231 is about 1285.0761220027.

Adding to 2122201231 its reverse (1321022212), we get a palindrome (3443223443).

The spelling of 2122201231 in words is "two billion, one hundred twenty-two million, two hundred one thousand, two hundred thirty-one".