2504220730 has 16 divisors (see below), whose sum is σ = 4917379104. Its totient is φ = 910625680.

The previous prime is 2504220709. The next prime is 2504220781. The reversal of 2504220730 is 370224052.

It is a super-2 number, since 2×2504220730² = 12542242929123465800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2504220695 and 2504220704.

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 7 ways as a sum of consecutive naturals, for example, 11382712 + ... + 11382931.

It is an arithmetic number, because the mean of its divisors is an integer number (307336194).

Almost surely, 2^2504220730 is an apocalyptic number.

2504220730 is a deficient number, since it is larger than the sum of its proper divisors (2413158374).

2504220730 is a wasteful number, since it uses less digits than its factorization.

2504220730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22765661.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 2504220730 is about 50042.1895004605. The cubic root of 2504220730 is about 1357.9721671254.

Adding to 2504220730 its reverse (370224052), we get a palindrome (2874444782).

The spelling of 2504220730 in words is "two billion, five hundred four million, two hundred twenty thousand, seven hundred thirty".