2221489555 has 8 divisors (see below), whose sum is σ = 2682767952. Its totient is φ = 1765871328.

The previous prime is 2221489553. The next prime is 2221489577. The reversal of 2221489555 is 5559841222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221489555 - 2¹ = 2221489553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221489553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414177 + ... + 1415746.

It is an arithmetic number, because the mean of its divisors is an integer number (335345994).

Almost surely, 2^2221489555 is an apocalyptic number.

2221489555 is a deficient number, since it is larger than the sum of its proper divisors (461278397).

2221489555 is a wasteful number, since it uses less digits than its factorization.

2221489555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830085.

The product of its digits is 288000, while the sum is 43.

The square root of 2221489555 is about 47132.6803290456. The cubic root of 2221489555 is about 1304.8124498654.

The spelling of 2221489555 in words is "two billion, two hundred twenty-one million, four hundred eighty-nine thousand, five hundred fifty-five".