2220047564 has 24 divisors (see below), whose sum is σ = 4446559488. Its totient is φ = 950063760.

The previous prime is 2220047551. The next prime is 2220047567. The reversal of 2220047564 is 4657400222.

It is a super-2 number, since 2×2220047564² = 9857222372844668192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2220047564.

It is not an unprimeable number, because it can be changed into a prime (2220047567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38024 + ... + 76719.

It is an arithmetic number, because the mean of its divisors is an integer number (185273312).

Almost surely, 2^2220047564 is an apocalyptic number.

It is an amenable number.

2220047564 is an abundant number, since it is smaller than the sum of its proper divisors (2226511924).

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

2220047564 is a wasteful number, since it uses less digits than its factorization.

2220047564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115445 (or 115443 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2220047564 is about 47117.3806996951. The cubic root of 2220047564 is about 1304.5300665042.

Adding to 2220047564 its reverse (4657400222), we get a palindrome (6877447786).

The spelling of 2220047564 in words is "two billion, two hundred twenty million, forty-seven thousand, five hundred sixty-four".