3223688690 has 8 divisors (see below), whose sum is σ = 5802639660. Its totient is φ = 1289475472.

The previous prime is 3223688659. The next prime is 3223688707. The reversal of 3223688690 is 968863223.

It can be written as a sum of positive squares in 2 ways, for example, as 3187844521 + 35844169 = 56461^2 + 5987^2 .

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

It is a super-2 number, since 2×3223688690² = 20784337540067832200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161184425 + ... + 161184444.

Almost surely, 2^3223688690 is an apocalyptic number.

3223688690 is a deficient number, since it is larger than the sum of its proper divisors (2578950970).

3223688690 is a wasteful number, since it uses less digits than its factorization.

3223688690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322368876.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 3223688690 is about 56777.5368433679. The cubic root of 3223688690 is about 1477.2399084855.

The spelling of 3223688690 in words is "three billion, two hundred twenty-three million, six hundred eighty-eight thousand, six hundred ninety".