2403132221 has 16 divisors (see below), whose sum is σ = 2817376128. Its totient is φ = 2006764800.

The previous prime is 2403132211. The next prime is 2403132269. The reversal of 2403132221 is 1222313042.

It is a cyclic number.

It is not a de Polignac number, because 2403132221 - 2⁶ = 2403132157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2403132193 and 2403132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403132211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212906 + ... + 223908.

It is an arithmetic number, because the mean of its divisors is an integer number (176086008).

Almost surely, 2^2403132221 is an apocalyptic number.

It is an amenable number.

2403132221 is a deficient number, since it is larger than the sum of its proper divisors (414243907).

2403132221 is a wasteful number, since it uses less digits than its factorization.

2403132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11812.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2403132221 is about 49021.7525288519. The cubic root of 2403132221 is about 1339.4480947276.

Adding to 2403132221 its reverse (1222313042), we get a palindrome (3625445263).

The spelling of 2403132221 in words is "two billion, four hundred three million, one hundred thirty-two thousand, two hundred twenty-one".