802220922 has 40 divisors (see below), whose sum is σ = 1903314996. Its totient is φ = 251676288.

The previous prime is 802220911. The next prime is 802220927. The reversal of 802220922 is 229022208.

It can be written as a sum of positive squares in 2 ways, for example, as 643687641 + 158533281 = 25371^2 + 12591^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (802220927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 142893 + ... + 148400.

Almost surely, 2^802220922 is an apocalyptic number.

802220922 is an abundant number, since it is smaller than the sum of its proper divisors (1101094074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

802220922 is a wasteful number, since it uses less digits than its factorization.

802220922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291324 (or 291315 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 802220922 is about 28323.5047619464. The cubic root of 802220922 is about 929.1760235575.

The spelling of 802220922 in words is "eight hundred two million, two hundred twenty thousand, nine hundred twenty-two".