2206226664 has 24 divisors (see below), whose sum is σ = 5975197410. Its totient is φ = 735408864.

The previous prime is 2206226657. The next prime is 2206226717. The reversal of 2206226664 is 4666226022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2166157764 + 40068900 = 46542^2 + 6330^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 15320947 + ... + 15321090.

Almost surely, 2^2206226664 is an apocalyptic number.

2206226664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2206226664 is an abundant number, since it is smaller than the sum of its proper divisors (3768970746).

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

2206226664 is a wasteful number, since it uses less digits than its factorization.

2206226664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30642049 (or 30642042 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2206226664 is about 46970.4871594920. The cubic root of 2206226664 is about 1301.8173131661.

The spelling of 2206226664 in words is "two billion, two hundred six million, two hundred twenty-six thousand, six hundred sixty-four".