2221001333232 has 80 divisors (see below), whose sum is σ = 6262360933248. Its totient is φ = 672689271040.

The previous prime is 2221001333219. The next prime is 2221001333237. The reversal of 2221001333232 is 2323331001222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221001333237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24258 + ... + 2107745.

Almost surely, 2^{2221001333232} is an apocalyptic number.

2221001333232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221001333232 is an abundant number, since it is smaller than the sum of its proper divisors (4041359600016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221001333232 is a wasteful number, since it uses less digits than its factorization.

2221001333232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133998 (or 2133992 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2221001333232 its reverse (2323331001222), we get a palindrome (4544332334454).

The spelling of 2221001333232 in words is "two trillion, two hundred twenty-one billion, one million, three hundred thirty-three thousand, two hundred thirty-two".