2320406221 has 24 divisors (see below), whose sum is σ = 2864427840. Its totient is φ = 1870146432.

The previous prime is 2320406107. The next prime is 2320406227. The reversal of 2320406221 is 1226040232.

2320406221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2320406221 - 2¹⁹ = 2319881933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320406192 and 2320406201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320406227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49045 + ... + 83941.

It is an arithmetic number, because the mean of its divisors is an integer number (119351160).

Almost surely, 2^2320406221 is an apocalyptic number.

It is an amenable number.

2320406221 is a deficient number, since it is larger than the sum of its proper divisors (544021619).

2320406221 is a wasteful number, since it uses less digits than its factorization.

2320406221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34993 (or 34986 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2320406221 is about 48170.5949828316. The cubic root of 2320406221 is about 1323.8984500340.

Adding to 2320406221 its reverse (1226040232), we get a palindrome (3546446453).

The spelling of 2320406221 in words is "two billion, three hundred twenty million, four hundred six thousand, two hundred twenty-one".