1002122200 has 48 divisors (see below), whose sum is σ = 2356155000. Its totient is φ = 396337920.

The previous prime is 1002122179. The next prime is 1002122243. The reversal of 1002122200 is 22212001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10350 + ... + 45949.

Almost surely, 2^1002122200 is an apocalyptic number.

1002122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002122200 is an abundant number, since it is smaller than the sum of its proper divisors (1354032800).

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

1002122200 is a wasteful number, since it uses less digits than its factorization.

1002122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56404 (or 56395 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1002122200 is about 31656.3137462339. The cubic root of 1002122200 is about 1000.7069001744.

Adding to 1002122200 its reverse (22212001), we get a palindrome (1024334201).

The spelling of 1002122200 in words is "one billion, two million, one hundred twenty-two thousand, two hundred".