2220561507 has 4 divisors (see below), whose sum is σ = 2960748680. Its totient is φ = 1480374336.

The previous prime is 2220561479. The next prime is 2220561509. The reversal of 2220561507 is 7051650222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2220561507 - 2¹⁰ = 2220560483 is a prime.

It is a super-2 number, since 2×2220561507² = 9861786812740222098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220561509) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 370093582 + ... + 370093587.

It is an arithmetic number, because the mean of its divisors is an integer number (740187170).

Almost surely, 2^2220561507 is an apocalyptic number.

2220561507 is a deficient number, since it is larger than the sum of its proper divisors (740187173).

2220561507 is an equidigital number, since it uses as much as digits as its factorization.

2220561507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740187172.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2220561507 is about 47122.8342420105. The cubic root of 2220561507 is about 1304.6307253634.

The spelling of 2220561507 in words is "two billion, two hundred twenty million, five hundred sixty-one thousand, five hundred seven".