3622818447 has 8 divisors (see below), whose sum is σ = 5367138480. Its totient is φ = 2415212280.

The previous prime is 3622818443. The next prime is 3622818449. The reversal of 3622818447 is 7448182263.

It is a happy number.

3622818447 is a `hidden beast` number, since 3 + 622 + 8 + 18 + 4 + 4 + 7 = 666.

It is not a de Polignac number, because 3622818447 - 2² = 3622818443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622818443) 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, 67089204 + ... + 67089257.

It is an arithmetic number, because the mean of its divisors is an integer number (670892310).

Almost surely, 2^3622818447 is an apocalyptic number.

3622818447 is a deficient number, since it is larger than the sum of its proper divisors (1744320033).

3622818447 is a wasteful number, since it uses less digits than its factorization.

3622818447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134178470 (or 134178464 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 3622818447 is about 60189.8533558606. The cubic root of 3622818447 is about 1535.8501936723.

The spelling of 3622818447 in words is "three billion, six hundred twenty-two million, eight hundred eighteen thousand, four hundred forty-seven".