7221654006 has 96 divisors (see below), whose sum is σ = 17657925120. Its totient is φ = 1960749504.

The previous prime is 7221653947. The next prime is 7221654017. The reversal of 7221654006 is 6004561227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 460035 + ... + 475473.

It is an arithmetic number, because the mean of its divisors is an integer number (183936720).

Almost surely, 2^7221654006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7221654006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8828962560).

7221654006 is an abundant number, since it is smaller than the sum of its proper divisors (10436271114).

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

7221654006 is a wasteful number, since it uses less digits than its factorization.

7221654006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15538 (or 15531 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 7221654006 is about 84980.3154030391. The cubic root of 7221654006 is about 1932.9126385530.

The spelling of 7221654006 in words is "seven billion, two hundred twenty-one million, six hundred fifty-four thousand, six".