7622006556 has 12 divisors (see below), whose sum is σ = 17784681992. Its totient is φ = 2540668848.

The previous prime is 7622006543. The next prime is 7622006563. The reversal of 7622006556 is 6556002267.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7622006556² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317583595 + ... + 317583618.

Almost surely, 2^7622006556 is an apocalyptic number.

It is an amenable number.

7622006556 is an abundant number, since it is smaller than the sum of its proper divisors (10162675436).

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

7622006556 is a wasteful number, since it uses less digits than its factorization.

7622006556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635167220 (or 635167218 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 7622006556 is about 87304.1038897943. The cubic root of 7622006556 is about 1967.9909909777.

The spelling of 7622006556 in words is "seven billion, six hundred twenty-two million, six thousand, five hundred fifty-six".