8013555622 has 4 divisors (see below), whose sum is σ = 12020333436. Its totient is φ = 4006777810.

The previous prime is 8013555619. The next prime is 8013555661. The reversal of 8013555622 is 2265553108.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003388904 + ... + 2003388907.

It is an arithmetic number, because the mean of its divisors is an integer number (3005083359).

Almost surely, 2^8013555622 is an apocalyptic number.

8013555622 is a deficient number, since it is larger than the sum of its proper divisors (4006777814).

8013555622 is a wasteful number, since it uses less digits than its factorization.

8013555622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006777813.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 8013555622 is about 89518.4652571747. The cubic root of 8013555622 is about 2001.1289977288.

The spelling of 8013555622 in words is "eight billion, thirteen million, five hundred fifty-five thousand, six hundred twenty-two".