2232210021 has 8 divisors (see below), whose sum is σ = 2977153824. Its totient is φ = 1487703120.

The previous prime is 2232209983. The next prime is 2232210059. The reversal of 2232210021 is 1200122322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2232209983) and next prime (2232210059).

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

It is not a de Polignac number, because 2232210021 - 2¹⁰ = 2232208997 is a prime.

It is a super-3 number, since 3×2232210021³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232210061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97111 + ... + 117876.

It is an arithmetic number, because the mean of its divisors is an integer number (372144228).

Almost surely, 2^2232210021 is an apocalyptic number.

It is an amenable number.

2232210021 is a deficient number, since it is larger than the sum of its proper divisors (744943803).

2232210021 is a wasteful number, since it uses less digits than its factorization.

2232210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218451.

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

The square root of 2232210021 is about 47246.2699162590. The cubic root of 2232210021 is about 1306.9080042032.

Adding to 2232210021 its reverse (1200122322), we get a palindrome (3432332343).

The spelling of 2232210021 in words is "two billion, two hundred thirty-two million, two hundred ten thousand, twenty-one".