2221020032 has 64 divisors (see below), whose sum is σ = 5516519040. Its totient is φ = 865328640.

The previous prime is 2221020031. The next prime is 2221020059. The reversal of 2221020032 is 2300201222.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2221019989 and 2221020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221020031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102818 + ... + 122529.

It is an arithmetic number, because the mean of its divisors is an integer number (86195610).

Almost surely, 2^2221020032 is an apocalyptic number.

2221020032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221020032 is an abundant number, since it is smaller than the sum of its proper divisors (3295499008).

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

2221020032 is a wasteful number, since it uses less digits than its factorization.

2221020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225379 (or 225367 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2221020032 is about 47127.6992012129. The cubic root of 2221020032 is about 1304.7205171618.

Adding to 2221020032 its reverse (2300201222), we get a palindrome (4521221254).

The spelling of 2221020032 in words is "two billion, two hundred twenty-one million, twenty thousand, thirty-two".