2240402022221 has 8 divisors (see below), whose sum is σ = 2453812286688. Its totient is φ = 2028614650000.

The previous prime is 2240402022197. The next prime is 2240402022227. The reversal of 2240402022221 is 1222202040422.

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 2240402022221 - 2³⁴ = 2223222153037 is a prime.

It is a super-3 number, since 3×2240402022221³ (a number of 38 digits) contains 333 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 (2240402022227) 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, 405720170 + ... + 405725691.

It is an arithmetic number, because the mean of its divisors is an integer number (306726535836).

Almost surely, 2^{2240402022221} is an apocalyptic number.

It is an amenable number.

2240402022221 is a deficient number, since it is larger than the sum of its proper divisors (213410264467).

2240402022221 is a wasteful number, since it uses less digits than its factorization.

2240402022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811446123.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 2240402022221 its reverse (1222202040422), we get a palindrome (3462604062643).

The spelling of 2240402022221 in words is "two trillion, two hundred forty billion, four hundred two million, twenty-two thousand, two hundred twenty-one".