2122281600 has 96 divisors (see below), whose sum is σ = 6990296640. Its totient is φ = 565939200.

The previous prime is 2122281593. The next prime is 2122281611. The reversal of 2122281600 is 61822212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100936 + ... + 120135.

It is an arithmetic number, because the mean of its divisors is an integer number (72815590).

Almost surely, 2^2122281600 is an apocalyptic number.

2122281600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122281600 is an abundant number, since it is smaller than the sum of its proper divisors (4868015040).

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

2122281600 is a wasteful number, since it uses less digits than its factorization.

2122281600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221098 (or 221081 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2122281600 is about 46068.2276628915. The cubic root of 2122281600 is about 1285.0923439923.

The spelling of 2122281600 in words is "two billion, one hundred twenty-two million, two hundred eighty-one thousand, six hundred".