3223626661 has 8 divisors (see below), whose sum is σ = 3237070104. Its totient is φ = 3210197760.

The previous prime is 3223626619. The next prime is 3223626733. The reversal of 3223626661 is 1666263223.

It can be written as a sum of positive squares in 4 ways, for example, as 1260605025 + 1963021636 = 35505^2 + 44306^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3223626661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3223626661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223620661) 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, 737695 + ... + 742051.

It is an arithmetic number, because the mean of its divisors is an integer number (404633763).

Almost surely, 2^3223626661 is an apocalyptic number.

It is an amenable number.

3223626661 is a deficient number, since it is larger than the sum of its proper divisors (13443443).

3223626661 is a wasteful number, since it uses less digits than its factorization.

3223626661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271.

The product of its digits is 93312, while the sum is 37.

The square root of 3223626661 is about 56776.9905947823. The cubic root of 3223626661 is about 1477.2304335939.

Adding to 3223626661 its reverse (1666263223), we get a palindrome (4889889884).

The spelling of 3223626661 in words is "three billion, two hundred twenty-three million, six hundred twenty-six thousand, six hundred sixty-one".