2331220572 has 36 divisors (see below), whose sum is σ = 5905972800. Its totient is φ = 775337472.

The previous prime is 2331220543. The next prime is 2331220589. The reversal of 2331220572 is 2750221332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55948 + ... + 88275.

It is an arithmetic number, because the mean of its divisors is an integer number (164054800).

Almost surely, 2^2331220572 is an apocalyptic number.

It is an amenable number.

2331220572 is an abundant number, since it is smaller than the sum of its proper divisors (3574752228).

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

2331220572 is a wasteful number, since it uses less digits than its factorization.

2331220572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144682 (or 144677 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2331220572 is about 48282.7150437918. The cubic root of 2331220572 is about 1325.9519580200.

The spelling of 2331220572 in words is "two billion, three hundred thirty-one million, two hundred twenty thousand, five hundred seventy-two".