2202121331 has 4 divisors (see below), whose sum is σ = 2202474312. Its totient is φ = 2201768352.

The previous prime is 2202121319. The next prime is 2202121343. The reversal of 2202121331 is 1331212022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2202121319) and next prime (2202121343).

It is a cyclic number.

It is not a de Polignac number, because 2202121331 - 2³⁰ = 1128379507 is a prime.

It is a super-2 number, since 2×2202121331² = 9698676712890423122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202121381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166961 + ... + 179666.

It is an arithmetic number, because the mean of its divisors is an integer number (550618578).

Almost surely, 2^2202121331 is an apocalyptic number.

2202121331 is a deficient number, since it is larger than the sum of its proper divisors (352981).

2202121331 is an equidigital number, since it uses as much as digits as its factorization.

2202121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352980.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2202121331 is about 46926.7656140928. The cubic root of 2202121331 is about 1301.0093405868.

Adding to 2202121331 its reverse (1331212022), we get a palindrome (3533333353).

The spelling of 2202121331 in words is "two billion, two hundred two million, one hundred twenty-one thousand, three hundred thirty-one".