2215322000 has 80 divisors (see below), whose sum is σ = 5529598464. Its totient is φ = 857520000.

The previous prime is 2215321993. The next prime is 2215322009. The reversal of 2215322000 is 2235122.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 2215322000.

It is not an unprimeable number, because it can be changed into a prime (2215322009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44135 + ... + 79865.

Almost surely, 2^2215322000 is an apocalyptic number.

2215322000 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 2215322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2764799232).

2215322000 is an abundant number, since it is smaller than the sum of its proper divisors (3314276464).

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

2215322000 is a wasteful number, since it uses less digits than its factorization.

2215322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35785 (or 35769 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2215322000 is about 47067.2072679058. The cubic root of 2215322000 is about 1303.6038071469.

Adding to 2215322000 its reverse (2235122), we get a palindrome (2217557122).

The spelling of 2215322000 in words is "two billion, two hundred fifteen million, three hundred twenty-two thousand".