2332031221 has 8 divisors (see below), whose sum is σ = 2513498904. Its totient is φ = 2150860800.

The previous prime is 2332031213. The next prime is 2332031237. The reversal of 2332031221 is 1221302332.

It can be written as a sum of positive squares in 4 ways, for example, as 13608721 + 2318422500 = 3689^2 + 48150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2332031221 - 2³ = 2332031213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2332031021) 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, 57880 + ... + 89521.

It is an arithmetic number, because the mean of its divisors is an integer number (314187363).

Almost surely, 2^2332031221 is an apocalyptic number.

It is an amenable number.

2332031221 is a deficient number, since it is larger than the sum of its proper divisors (181467683).

2332031221 is a wasteful number, since it uses less digits than its factorization.

2332031221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148631.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2332031221 is about 48291.1091299423. The cubic root of 2332031221 is about 1326.1056338918.

Adding to 2332031221 its reverse (1221302332), we get a palindrome (3553333553).

It can be divided in two parts, 23320 and 31221, that multiplied together give a triangular number (728073720 = T₃₈₁₅₉).

The spelling of 2332031221 in words is "two billion, three hundred thirty-two million, thirty-one thousand, two hundred twenty-one".