8222715557 has 8 divisors (see below), whose sum is σ = 9891988800. Its totient is φ = 6677092224.

The previous prime is 8222715539. The next prime is 8222715577. The reversal of 8222715557 is 7555172228.

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 8222715557 - 2⁶ = 8222715493 is a prime.

It is a super-2 number, since 2×8222715557² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8222715577) 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, 30912332 + ... + 30912597.

It is an arithmetic number, because the mean of its divisors is an integer number (1236498600).

Almost surely, 2^8222715557 is an apocalyptic number.

It is an amenable number.

8222715557 is a deficient number, since it is larger than the sum of its proper divisors (1669273243).

8222715557 is a wasteful number, since it uses less digits than its factorization.

8222715557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61824955.

The product of its digits is 392000, while the sum is 44.

The square root of 8222715557 is about 90679.1903194994. The cubic root of 8222715557 is about 2018.3900151409.

The spelling of 8222715557 in words is "eight billion, two hundred twenty-two million, seven hundred fifteen thousand, five hundred fifty-seven".