2221662232 has 16 divisors (see below), whose sum is σ = 4166164800. Its totient is φ = 1110684960.

The previous prime is 2221662197. The next prime is 2221662239. The reversal of 2221662232 is 2322661222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221662232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221662239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73369 + ... + 99127.

It is an arithmetic number, because the mean of its divisors is an integer number (260385300).

Almost surely, 2^2221662232 is an apocalyptic number.

It is an amenable number.

2221662232 is a deficient number, since it is larger than the sum of its proper divisors (1944502568).

2221662232 is a wasteful number, since it uses less digits than its factorization.

2221662232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36546 (or 36542 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 2221662232 is about 47134.5121116152. The cubic root of 2221662232 is about 1304.8462568009.

It can be divided in two parts, 22216 and 62232, that added together give a palindrome (84448).

The spelling of 2221662232 in words is "two billion, two hundred twenty-one million, six hundred sixty-two thousand, two hundred thirty-two".