2202001221 has 8 divisors (see below), whose sum is σ = 3355430464. Its totient is φ = 1258286400.

The previous prime is 2202001213. The next prime is 2202001223. The reversal of 2202001221 is 1221002022.

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

It is not a de Polignac number, because 2202001221 - 2³ = 2202001213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202001197 and 2202001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52428580 + ... + 52428621.

It is an arithmetic number, because the mean of its divisors is an integer number (419428808).

Almost surely, 2^2202001221 is an apocalyptic number.

2202001221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2202001221 is a deficient number, since it is larger than the sum of its proper divisors (1153429243).

2202001221 is a wasteful number, since it uses less digits than its factorization.

2202001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104857211.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2202001221 is about 46925.4858365899. The cubic root of 2202001221 is about 1300.9856865657.

Adding to 2202001221 its reverse (1221002022), we get a palindrome (3423003243).

The spelling of 2202001221 in words is "two billion, two hundred two million, one thousand, two hundred twenty-one".