2210042321 has 8 divisors (see below), whose sum is σ = 2221689600. Its totient is φ = 2198415520.

The previous prime is 2210042309. The next prime is 2210042327. The reversal of 2210042321 is 1232400122.

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 2210042321 - 2²² = 2205848017 is a prime.

It is a super-3 number, since 3×2210042321³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2210042321.

It is not an unprimeable number, because it can be changed into a prime (2210042327) 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, 241925 + ... + 250893.

It is an arithmetic number, because the mean of its divisors is an integer number (277711200).

Almost surely, 2^2210042321 is an apocalyptic number.

It is an amenable number.

2210042321 is a deficient number, since it is larger than the sum of its proper divisors (11647279).

2210042321 is a wasteful number, since it uses less digits than its factorization.

2210042321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2210042321 is about 47011.0872135500. The cubic root of 2210042321 is about 1302.5673762399.

Adding to 2210042321 its reverse (1232400122), we get a palindrome (3442442443).

The spelling of 2210042321 in words is "two billion, two hundred ten million, forty-two thousand, three hundred twenty-one".