7225655221506 has 8 divisors (see below), whose sum is σ = 14451310443024. Its totient is φ = 2408551740500.

The previous prime is 7225655221501. The next prime is 7225655221537. The reversal of 7225655221506 is 6051225565227.

It is a sphenic number, since it is the product of 3 distinct primes.

7225655221506 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7225655221501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602137935120 + ... + 602137935131.

It is an arithmetic number, because the mean of its divisors is an integer number (1806413805378).

Almost surely, 2^{7225655221506} is an apocalyptic number.

7225655221506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7225655221506 is a wasteful number, since it uses less digits than its factorization.

7225655221506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204275870256.

The product of its (nonzero) digits is 2520000, while the sum is 48.

The spelling of 7225655221506 in words is "seven trillion, two hundred twenty-five billion, six hundred fifty-five million, two hundred twenty-one thousand, five hundred six".