1020000222 has 32 divisors (see below), whose sum is σ = 2267827200. Its totient is φ = 339826104.

The previous prime is 1020000217. The next prime is 1020000227. The reversal of 1020000222 is 2220000201.

It is an interprime number because it is at equal distance from previous prime (1020000217) and next prime (1020000227).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020000227) 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, 143353 + ... + 150299.

It is an arithmetic number, because the mean of its divisors is an integer number (70869600).

Almost surely, 2^1020000222 is an apocalyptic number.

1020000222 is an abundant number, since it is smaller than the sum of its proper divisors (1247826978).

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

1020000222 is a wasteful number, since it uses less digits than its factorization.

1020000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9677 (or 9671 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1020000222 is about 31937.4423208873. The cubic root of 1020000222 is about 1006.6227825896.

Adding to 1020000222 its reverse (2220000201), we get a palindrome (3240000423).

The spelling of 1020000222 in words is "one billion, twenty million, two hundred twenty-two", and thus it is an aban number.