3623655226 has 4 divisors (see below), whose sum is σ = 5435482842. Its totient is φ = 1811827612.

The previous prime is 3623655223. The next prime is 3623655229. The reversal of 3623655226 is 6225563263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6225563263 = 43 ⋅144780541.

It is an interprime number because it is at equal distance from previous prime (3623655223) and next prime (3623655229).

It can be written as a sum of positive squares in only one way, i.e., 2924105625 + 699549601 = 54075^2 + 26449^2 .

It is a super-2 number, since 2×3623655226² = 26261754393834222152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3623655223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905913805 + ... + 905913808.

Almost surely, 2^3623655226 is an apocalyptic number.

3623655226 is a deficient number, since it is larger than the sum of its proper divisors (1811827616).

3623655226 is a wasteful number, since it uses less digits than its factorization.

3623655226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811827615.

The product of its digits is 388800, while the sum is 40.

The square root of 3623655226 is about 60196.8041178267. The cubic root of 3623655226 is about 1535.9684320249.

The spelling of 3623655226 in words is "three billion, six hundred twenty-three million, six hundred fifty-five thousand, two hundred twenty-six".