2221455342 has 8 divisors (see below), whose sum is σ = 4442910696. Its totient is φ = 740485112.

The previous prime is 2221455289. The next prime is 2221455347. The reversal of 2221455342 is 2435541222.

It is a sphenic number, since it is the product of 3 distinct primes.

2221455342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221455347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185121273 + ... + 185121284.

It is an arithmetic number, because the mean of its divisors is an integer number (555363837).

Almost surely, 2^2221455342 is an apocalyptic number.

2221455342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221455342 is a wasteful number, since it uses less digits than its factorization.

2221455342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370242562.

The product of its digits is 19200, while the sum is 30.

The square root of 2221455342 is about 47132.3173841474. The cubic root of 2221455342 is about 1304.8057513903.

Adding to 2221455342 its reverse (2435541222), we get a palindrome (4656996564).

The spelling of 2221455342 in words is "two billion, two hundred twenty-one million, four hundred fifty-five thousand, three hundred forty-two".