7221621667022 has 8 divisors (see below), whose sum is σ = 12379922857776. Its totient is φ = 3094980714432.

The previous prime is 7221621667019. The next prime is 7221621667031. The reversal of 7221621667022 is 2207661261227.

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

It is a super-3 number, since 3×7221621667022³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257915059523 + ... + 257915059550.

It is an arithmetic number, because the mean of its divisors is an integer number (1547490357222).

Almost surely, 2^{7221621667022} is an apocalyptic number.

7221621667022 is a deficient number, since it is larger than the sum of its proper divisors (5158301190754).

7221621667022 is a wasteful number, since it uses less digits than its factorization.

7221621667022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515830119082.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 7221621667022 in words is "seven trillion, two hundred twenty-one billion, six hundred twenty-one million, six hundred sixty-seven thousand, twenty-two".