3622820652 has 36 divisors (see below), whose sum is σ = 9990203496. Its totient is φ = 1097824320.

The previous prime is 3622820629. The next prime is 3622820657. The reversal of 3622820652 is 2560282263.

3622820652 is a `hidden beast` number, since 3 + 622 + 8 + 20 + 6 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (3622820657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4573873 + ... + 4574664.

Almost surely, 2^3622820652 is an apocalyptic number.

It is an amenable number.

3622820652 is an abundant number, since it is smaller than the sum of its proper divisors (6367382844).

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

3622820652 is a wasteful number, since it uses less digits than its factorization.

3622820652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9148558 (or 9148553 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 3622820652 is about 60189.8716728986. The cubic root of 3622820652 is about 1535.8505052666.

The spelling of 3622820652 in words is "three billion, six hundred twenty-two million, eight hundred twenty thousand, six hundred fifty-two".