2221321293 has 32 divisors (see below), whose sum is σ = 3468259200. Its totient is φ = 1401235200.

The previous prime is 2221321273. The next prime is 2221321309. The reversal of 2221321293 is 3921231222.

It is not a de Polignac number, because 2221321293 - 2⁵ = 2221321261 is a prime.

It is a super-3 number, since 3×2221321293³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221321253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521653 + ... + 525893.

It is an arithmetic number, because the mean of its divisors is an integer number (108383100).

Almost surely, 2^2221321293 is an apocalyptic number.

It is an amenable number.

2221321293 is a deficient number, since it is larger than the sum of its proper divisors (1246937907).

2221321293 is a wasteful number, since it uses less digits than its factorization.

2221321293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290 (or 5284 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2221321293 is about 47130.8953129473. The cubic root of 2221321293 is about 1304.7795056193.

The spelling of 2221321293 in words is "two billion, two hundred twenty-one million, three hundred twenty-one thousand, two hundred ninety-three".