2222891600 has 30 divisors (see below), whose sum is σ = 5340498030. Its totient is φ = 889156480.

The previous prime is 2222891599. The next prime is 2222891617. The reversal of 2222891600 is 61982222.

It can be written as a sum of positive squares in 3 ways, for example, as 63616576 + 2159275024 = 7976^2 + 46468^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2778215 + ... + 2779014.

It is an arithmetic number, because the mean of its divisors is an integer number (178016601).

Almost surely, 2^2222891600 is an apocalyptic number.

2222891600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222891600 is an abundant number, since it is smaller than the sum of its proper divisors (3117606430).

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

2222891600 is a wasteful number, since it uses less digits than its factorization.

2222891600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557247 (or 5557236 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2222891600 is about 47147.5513680191. The cubic root of 2222891600 is about 1305.0868935060.

The spelling of 2222891600 in words is "two billion, two hundred twenty-two million, eight hundred ninety-one thousand, six hundred".