2221131032 has 8 divisors (see below), whose sum is σ = 4164620700. Its totient is φ = 1110565512.

The previous prime is 2221131001. The next prime is 2221131079. The reversal of 2221131032 is 2301311222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2221131032³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2221131032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138820682 + ... + 138820697.

Almost surely, 2^2221131032 is an apocalyptic number.

It is an amenable number.

2221131032 is a deficient number, since it is larger than the sum of its proper divisors (1943489668).

2221131032 is a wasteful number, since it uses less digits than its factorization.

2221131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277641385 (or 277641381 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2221131032 is about 47128.8768378793. The cubic root of 2221131032 is about 1304.7422521549.

Adding to 2221131032 its reverse (2301311222), we get a palindrome (4522442254).

The spelling of 2221131032 in words is "two billion, two hundred twenty-one million, one hundred thirty-one thousand, thirty-two".