2221455504 has 20 divisors (see below), whose sum is σ = 5738760176. Its totient is φ = 740485152.

The previous prime is 2221455499. The next prime is 2221455539. The reversal of 2221455504 is 4055541222.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23140114 + ... + 23140209.

Almost surely, 2^2221455504 is an apocalyptic number.

2221455504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2221455504 is an abundant number, since it is smaller than the sum of its proper divisors (3517304672).

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

2221455504 is a wasteful number, since it uses less digits than its factorization.

2221455504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46280334 (or 46280328 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2221455504 is about 47132.3191027134. The cubic root of 2221455504 is about 1304.8057831080.

Adding to 2221455504 its reverse (4055541222), we get a palindrome (6276996726).

The spelling of 2221455504 in words is "two billion, two hundred twenty-one million, four hundred fifty-five thousand, five hundred four".