1021002222 has 8 divisors (see below), whose sum is σ = 2042004456. Its totient is φ = 340334072.

The previous prime is 1021002193. The next prime is 1021002247. The reversal of 1021002222 is 2222001201.

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

1021002222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1021002198 and 1021002207.

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, 85083513 + ... + 85083524.

It is an arithmetic number, because the mean of its divisors is an integer number (255250557).

Almost surely, 2^1021002222 is an apocalyptic number.

1021002222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021002222 is a wasteful number, since it uses less digits than its factorization.

1021002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170167042.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1021002222 is about 31953.1253870416. The cubic root of 1021002222 is about 1006.9522942595.

Adding to 1021002222 its reverse (2222001201), we get a palindrome (3243003423).

The spelling of 1021002222 in words is "one billion, twenty-one million, two thousand, two hundred twenty-two".