2504220216 has 64 divisors (see below), whose sum is σ = 6595948800. Its totient is φ = 790099200.

The previous prime is 2504220211. The next prime is 2504220227. The reversal of 2504220216 is 6120224052.

It is a happy number.

It is a super-2 number, since 2×2504220216² = 12542237780446173312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504220211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783181 + ... + 786371.

It is an arithmetic number, because the mean of its divisors is an integer number (103061700).

Almost surely, 2^2504220216 is an apocalyptic number.

It is an amenable number.

2504220216 is an abundant number, since it is smaller than the sum of its proper divisors (4091728584).

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

2504220216 is a wasteful number, since it uses less digits than its factorization.

2504220216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940 (or 4936 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2504220216 is about 50042.1843647937. The cubic root of 2504220216 is about 1357.9720742159.

Adding to 2504220216 its reverse (6120224052), we get a palindrome (8624444268).

The spelling of 2504220216 in words is "two billion, five hundred four million, two hundred twenty thousand, two hundred sixteen".