7221657477001 has 8 divisors (see below), whose sum is σ = 7879250048544. Its totient is φ = 6564244614720.

The previous prime is 7221657476993. The next prime is 7221657477011. The reversal of 7221657477001 is 1007747561227.

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

It is a cyclic number.

It is not a de Polignac number, because 7221657477001 - 2³ = 7221657476993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7221657477011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44843280 + ... + 45004033.

It is an arithmetic number, because the mean of its divisors is an integer number (984906256068).

Almost surely, 2^{7221657477001} is an apocalyptic number.

It is an amenable number.

7221657477001 is a deficient number, since it is larger than the sum of its proper divisors (657592571543).

7221657477001 is a wasteful number, since it uses less digits than its factorization.

7221657477001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89854631.

The product of its (nonzero) digits is 1152480, while the sum is 49.

The spelling of 7221657477001 in words is "seven trillion, two hundred twenty-one billion, six hundred fifty-seven million, four hundred seventy-seven thousand, one".