2212555600 has 60 divisors (see below), whose sum is σ = 5459367964. Its totient is φ = 861096960.

The previous prime is 2212555589. The next prime is 2212555601. The reversal of 2212555600 is 65552122.

It can be written as a sum of positive squares in 6 ways, for example, as 21566736 + 2190988864 = 4644^2 + 46808^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212555601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59949 + ... + 89548.

Almost surely, 2^2212555600 is an apocalyptic number.

2212555600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212555600 is an abundant number, since it is smaller than the sum of its proper divisors (3246812364).

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

2212555600 is a wasteful number, since it uses less digits than its factorization.

2212555600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149552 (or 149541 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2212555600 is about 47037.8103231858. The cubic root of 2212555600 is about 1303.0609527685.

The spelling of 2212555600 in words is "two billion, two hundred twelve million, five hundred fifty-five thousand, six hundred".