2221353 has 6 divisors (see below), whose sum is σ = 3208634. Its totient is φ = 1480896.

The previous prime is 2221343. The next prime is 2221379. The reversal of 2221353 is 3531222.

It can be written as a sum of positive squares in only one way, i.e., 1432809 + 788544 = 1197^2 + 888^2 .

It is not a de Polignac number, because 2221353 - 2⁵ = 2221321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123400 + ... + 123417.

2^2221353 is an apocalyptic number.

It is an amenable number.

2221353 is a deficient number, since it is larger than the sum of its proper divisors (987281).

2221353 is a wasteful number, since it uses less digits than its factorization.

2221353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246823 (or 246820 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 2221353 is about 1490.4204104883. The cubic root of 2221353 is about 130.4785713703.

Adding to 2221353 its reverse (3531222), we get a palindrome (5752575).

The spelling of 2221353 in words is "two million, two hundred twenty-one thousand, three hundred fifty-three".