8021551022 has 8 divisors (see below), whose sum is σ = 12078077616. Its totient is φ = 3995525152.

The previous prime is 8021550989. The next prime is 8021551051. The reversal of 8021551022 is 2201551208.

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

It is a junction number, because it is equal to n+sod(n) for n = 8021550982 and 8021551000.

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, 7624523 + ... + 7625574.

It is an arithmetic number, because the mean of its divisors is an integer number (1509759702).

Almost surely, 2^8021551022 is an apocalyptic number.

8021551022 is a deficient number, since it is larger than the sum of its proper divisors (4056526594).

8021551022 is a wasteful number, since it uses less digits than its factorization.

8021551022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15250362.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 8021551022 is about 89563.1119490608. Note that the first 3 decimals coincide. The cubic root of 8021551022 is about 2001.7943082476.

The spelling of 8021551022 in words is "eight billion, twenty-one million, five hundred fifty-one thousand, twenty-two".