3622947280 has 40 divisors (see below), whose sum is σ = 8549086752. Its totient is φ = 1427547264.

The previous prime is 3622947269. The next prime is 3622947283. The reversal of 3622947280 is 827492263.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622947283) 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, 332602 + ... + 343321.

Almost surely, 2^3622947280 is an apocalyptic number.

It is an amenable number.

3622947280 is an abundant number, since it is smaller than the sum of its proper divisors (4926139472).

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

3622947280 is a wasteful number, since it uses less digits than its factorization.

3622947280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676003 (or 675997 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 3622947280 is about 60190.9235682590. The cubic root of 3622947280 is about 1535.8683991888.

The spelling of 3622947280 in words is "three billion, six hundred twenty-two million, nine hundred forty-seven thousand, two hundred eighty".