1222368900 has 72 divisors (see below), whose sum is σ = 3540294240. Its totient is φ = 325635840.

The previous prime is 1222368899. The next prime is 1222368907. The reversal of 1222368900 is 98632221.

It is a happy number.

1222368900 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1222368907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495871 + ... + 498329.

Almost surely, 2^1222368900 is an apocalyptic number.

1222368900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222368900 is an abundant number, since it is smaller than the sum of its proper divisors (2317925340).

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

1222368900 is a wasteful number, since it uses less digits than its factorization.

1222368900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1222368900 is about 34962.3926526775. The cubic root of 1222368900 is about 1069.2208786521.

The spelling of 1222368900 in words is "one billion, two hundred twenty-two million, three hundred sixty-eight thousand, nine hundred".