2478061224 has 24 divisors (see below), whose sum is σ = 6711416010. Its totient is φ = 826020384.

The previous prime is 2478061217. The next prime is 2478061237. The reversal of 2478061224 is 4221608742.

It can be written as a sum of positive squares in only one way, i.e., 2341592100 + 136469124 = 48390^2 + 11682^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2478061224² = 12281574859784756352, which contains 22 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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17208687 + ... + 17208830.

Almost surely, 2^2478061224 is an apocalyptic number.

2478061224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2478061224 is an abundant number, since it is smaller than the sum of its proper divisors (4233354786).

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

2478061224 is a wasteful number, since it uses less digits than its factorization.

2478061224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34417529 (or 34417522 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2478061224 is about 49780.1288065831. The cubic root of 2478061224 is about 1353.2270715556.

Adding to 2478061224 its reverse (4221608742), we get a palindrome (6699669966).

The spelling of 2478061224 in words is "two billion, four hundred seventy-eight million, sixty-one thousand, two hundred twenty-four".