2220178248 has 84 divisors (see below), whose sum is σ = 6251528265. Its totient is φ = 738859968.

The previous prime is 2220178237. The next prime is 2220178309. The reversal of 2220178248 is 8428710222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1482404004 + 737774244 = 38502^2 + 27162^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33318.

It is a super-3 number, since 3×2220178248³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 3598036 + ... + 3598652.

Almost surely, 2^2220178248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220178248

2220178248 is an abundant number, since it is smaller than the sum of its proper divisors (4031350017).

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

2220178248 is an frugal number, since it uses more digits than its factorization.

2220178248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 2220178248 is about 47118.7674711468. The cubic root of 2220178248 is about 1304.5556632324. Note that the first 3 decimals are identical.

The spelling of 2220178248 in words is "two billion, two hundred twenty million, one hundred seventy-eight thousand, two hundred forty-eight".