2375221 has 2 divisors, whose sum is σ = 2375222. Its totient is φ = 2375220.

The previous prime is 2375207. The next prime is 2375231. The reversal of 2375221 is 1225732.

2375221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 1134225 = 1114^2 + 1065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2375221 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2375192 and 2375201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2375231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1187610 + 1187611.

It is an arithmetic number, because the mean of its divisors is an integer number (1187611).

2^2375221 is an apocalyptic number.

It is an amenable number.

2375221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2375221 is an equidigital number, since it uses as much as digits as its factorization.

2375221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 22.

The square root of 2375221 is about 1541.1752009424. The cubic root of 2375221 is about 133.4242206710.

The spelling of 2375221 in words is "two million, three hundred seventy-five thousand, two hundred twenty-one".