1202225000 has 96 divisors (see below), whose sum is σ = 2966997600. Its totient is φ = 455400000.

The previous prime is 1202224939. The next prime is 1202225009. The reversal of 1202225000 is 5222021.

It is not an unprimeable number, because it can be changed into a prime (1202225009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 473735 + ... + 476265.

It is an arithmetic number, because the mean of its divisors is an integer number (30906225).

Almost surely, 2^1202225000 is an apocalyptic number.

1202225000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483498800).

1202225000 is an abundant number, since it is smaller than the sum of its proper divisors (1764772600).

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

1202225000 is an equidigital number, since it uses as much as digits as its factorization.

1202225000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1202225000 is about 34673.1163871954. The cubic root of 1202225000 is about 1063.3149457048.

Adding to 1202225000 its reverse (5222021), we get a palindrome (1207447021).

The spelling of 1202225000 in words is "one billion, two hundred two million, two hundred twenty-five thousand".