1002504222 has 32 divisors (see below), whose sum is σ = 2269827360. Its totient is φ = 327862080.

The previous prime is 1002504221. The next prime is 1002504227. The reversal of 1002504222 is 2224052001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1002504195 and 1002504204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002504221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172279 + ... + 178002.

It is an arithmetic number, because the mean of its divisors is an integer number (70932105).

Almost surely, 2^1002504222 is an apocalyptic number.

1002504222 is an abundant number, since it is smaller than the sum of its proper divisors (1267323138).

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

1002504222 is a wasteful number, since it uses less digits than its factorization.

1002504222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350345 (or 350339 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1002504222 is about 31662.3470702979. The cubic root of 1002504222 is about 1000.8340448425.

Adding to 1002504222 its reverse (2224052001), we get a palindrome (3226556223).

The spelling of 1002504222 in words is "one billion, two million, five hundred four thousand, two hundred twenty-two".