2350221 has 4 divisors (see below), whose sum is σ = 3133632. Its totient is φ = 1566812.

The previous prime is 2350219. The next prime is 2350237. The reversal of 2350221 is 1220532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2350221 - 2¹ = 2350219 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2350221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2350211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391701 + ... + 391706.

It is an arithmetic number, because the mean of its divisors is an integer number (783408).

2^2350221 is an apocalyptic number.

It is an amenable number.

2350221 is a deficient number, since it is larger than the sum of its proper divisors (783411).

2350221 is an equidigital number, since it uses as much as digits as its factorization.

2350221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783410.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2350221 is about 1533.0430522330. The cubic root of 2350221 is about 132.9544570544.

Adding to 2350221 its reverse (1220532), we get a palindrome (3570753).

The spelling of 2350221 in words is "two million, three hundred fifty thousand, two hundred twenty-one".