2220000161564 has 24 divisors (see below), whose sum is σ = 3984125213376. Its totient is φ = 1081738112000.

The previous prime is 2220000161563. The next prime is 2220000161629. The reversal of 2220000161564 is 4651610000222.

It is a super-2 number, since 2×2220000161564² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220000161563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7280117 + ... + 7578924.

It is an arithmetic number, because the mean of its divisors is an integer number (166005217224).

Almost surely, 2^{2220000161564} is an apocalyptic number.

It is an amenable number.

2220000161564 is a deficient number, since it is larger than the sum of its proper divisors (1764125051812).

2220000161564 is a wasteful number, since it uses less digits than its factorization.

2220000161564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14859997 (or 14859995 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 2220000161564 its reverse (4651610000222), we get a palindrome (6871610161786).

The spelling of 2220000161564 in words is "two trillion, two hundred twenty billion, one hundred sixty-one thousand, five hundred sixty-four".