2212655500 has 192 divisors, whose sum is σ = 5521291776. Its totient is φ = 767520000.

The previous prime is 2212655449. The next prime is 2212655527. The reversal of 2212655500 is 55562122.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16890435 + ... + 16890565.

It is an arithmetic number, because the mean of its divisors is an integer number (28756728).

Almost surely, 2^2212655500 is an apocalyptic number.

2212655500 is a gapful number since it is divisible by the number (20) 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 2212655500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2760645888).

2212655500 is an abundant number, since it is smaller than the sum of its proper divisors (3308636276).

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

2212655500 is a wasteful number, since it uses less digits than its factorization.

2212655500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 269 counting only the distinct ones).

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

The square root of 2212655500 is about 47038.8722228754. The cubic root of 2212655500 is about 1303.0805641521.

The spelling of 2212655500 in words is "two billion, two hundred twelve million, six hundred fifty-five thousand, five hundred".