2220526664 has 16 divisors (see below), whose sum is σ = 4164084720. Its totient is φ = 1110104080.

The previous prime is 2220526631. The next prime is 2220526687. The reversal of 2220526664 is 4666250222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56687 + ... + 87489.

It is an arithmetic number, because the mean of its divisors is an integer number (260255295).

Almost surely, 2^2220526664 is an apocalyptic number.

It is an amenable number.

2220526664 is a deficient number, since it is larger than the sum of its proper divisors (1943558056).

2220526664 is a wasteful number, since it uses less digits than its factorization.

2220526664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39820 (or 39816 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2220526664 is about 47122.4645365668. The cubic root of 2220526664 is about 1304.6239016410.

Adding to 2220526664 its reverse (4666250222), we get a palindrome (6886776886).

The spelling of 2220526664 in words is "two billion, two hundred twenty million, five hundred twenty-six thousand, six hundred sixty-four".