2221240353 has 16 divisors (see below), whose sum is σ = 3119254080. Its totient is φ = 1402113024.

The previous prime is 2221240339. The next prime is 2221240457. The reversal of 2221240353 is 3530421222.

It is not a de Polignac number, because 2221240353 - 2⁸ = 2221240097 is a prime.

It is a super-3 number, since 3×2221240353³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221240253) 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 in 15 ways as a sum of consecutive naturals, for example, 103825 + ... + 123377.

It is an arithmetic number, because the mean of its divisors is an integer number (194953380).

Almost surely, 2^2221240353 is an apocalyptic number.

It is an amenable number.

2221240353 is a deficient number, since it is larger than the sum of its proper divisors (898013727).

2221240353 is a wasteful number, since it uses less digits than its factorization.

2221240353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21568.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2221240353 is about 47130.0366327038. The cubic root of 2221240353 is about 1304.7636576739.

Adding to 2221240353 its reverse (3530421222), we get a palindrome (5751661575).

The spelling of 2221240353 in words is "two billion, two hundred twenty-one million, two hundred forty thousand, three hundred fifty-three".