2220145332 has 12 divisors (see below), whose sum is σ = 5180339136. Its totient is φ = 740048440.

The previous prime is 2220145283. The next prime is 2220145349. The reversal of 2220145332 is 2335410222.

It is a tau number, because it is divible by the number of its divisors (12).

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, 92506044 + ... + 92506067.

It is an arithmetic number, because the mean of its divisors is an integer number (431694928).

Almost surely, 2^2220145332 is an apocalyptic number.

It is an amenable number.

2220145332 is an abundant number, since it is smaller than the sum of its proper divisors (2960193804).

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

2220145332 is a wasteful number, since it uses less digits than its factorization.

2220145332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185012118 (or 185012116 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2220145332 is about 47118.4181822777. The cubic root of 2220145332 is about 1304.5492161575.

Adding to 2220145332 its reverse (2335410222), we get a palindrome (4555555554).

The spelling of 2220145332 in words is "two billion, two hundred twenty million, one hundred forty-five thousand, three hundred thirty-two".