2221083381 has 36 divisors (see below), whose sum is σ = 3364061568. Its totient is φ = 1302483600.

The previous prime is 2221083367. The next prime is 2221083421. The reversal of 2221083381 is 1833801222.

It is not a de Polignac number, because 2221083381 - 2⁷ = 2221083253 is a prime.

It is a super-2 number, since 2×2221083381² = 9866422770708782322, which contains 22 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 (2221083301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 345660 + ... + 352026.

Almost surely, 2^2221083381 is an apocalyptic number.

It is an amenable number.

2221083381 is a deficient number, since it is larger than the sum of its proper divisors (1142978187).

2221083381 is a wasteful number, since it uses less digits than its factorization.

2221083381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454 (or 6412 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2221083381 is about 47128.3712958553. The cubic root of 2221083381 is about 1304.7329216656.

The spelling of 2221083381 in words is "two billion, two hundred twenty-one million, eighty-three thousand, three hundred eighty-one".