2220504554 has 8 divisors (see below), whose sum is σ = 3385359588. Its totient is φ = 1092051360.

The previous prime is 2220504551. The next prime is 2220504557. The reversal of 2220504554 is 4554050222.

It is an interprime number because it is at equal distance from previous prime (2220504551) and next prime (2220504557).

It can be written as a sum of positive squares in 2 ways, for example, as 2202143329 + 18361225 = 46927^2 + 4285^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2220504551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9100307 + ... + 9100550.

Almost surely, 2^2220504554 is an apocalyptic number.

2220504554 is a deficient number, since it is larger than the sum of its proper divisors (1164855034).

2220504554 is a wasteful number, since it uses less digits than its factorization.

2220504554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18200920.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 2220504554 is about 47122.2299345012. The cubic root of 2220504554 is about 1304.6195715376.

Adding to 2220504554 its reverse (4554050222), we get a palindrome (6774554776).

The spelling of 2220504554 in words is "two billion, two hundred twenty million, five hundred four thousand, five hundred fifty-four".