2221025432 has 16 divisors (see below), whose sum is σ = 4265994600. Its totient is φ = 1083426880.

The previous prime is 2221025419. The next prime is 2221025461. The reversal of 2221025432 is 2345201222.

It is a junction number, because it is equal to n+sod(n) for n = 2221025398 and 2221025407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3385382 + ... + 3386037.

Almost surely, 2^2221025432 is an apocalyptic number.

It is an amenable number.

2221025432 is a deficient number, since it is larger than the sum of its proper divisors (2044969168).

2221025432 is a wasteful number, since it uses less digits than its factorization.

2221025432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771466 (or 6771462 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2221025432 is about 47127.7564923263. The cubic root of 2221025432 is about 1304.7215745566.

Adding to 2221025432 its reverse (2345201222), we get a palindrome (4566226654).

The spelling of 2221025432 in words is "two billion, two hundred twenty-one million, twenty-five thousand, four hundred thirty-two".