7228721429366 has 8 divisors (see below), whose sum is σ = 10964914527960. Its totient is φ = 3573749920048.

The previous prime is 7228721429299. The next prime is 7228721429417. The reversal of 7228721429366 is 6639241278227.

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

It is a super-2 number, since 2×7228721429366² (a number of 27 digits) contains 22 as substring.

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, 20305397096 + ... + 20305397451.

It is an arithmetic number, because the mean of its divisors is an integer number (1370614315995).

Almost surely, 2^{7228721429366} is an apocalyptic number.

7228721429366 is a deficient number, since it is larger than the sum of its proper divisors (3736193098594).

7228721429366 is a wasteful number, since it uses less digits than its factorization.

7228721429366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40610794638.

The product of its digits is 24385536, while the sum is 59.

The spelling of 7228721429366 in words is "seven trillion, two hundred twenty-eight billion, seven hundred twenty-one million, four hundred twenty-nine thousand, three hundred sixty-six".