2215400000 has 336 divisors, whose sum is σ = 6428963520. Its totient is φ = 748800000.

The previous prime is 2215399969. The next prime is 2215400003. The reversal of 2215400000 is 45122.

It is not an unprimeable number, because it can be changed into a prime (2215400003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41799974 + ... + 41800026.

It is an arithmetic number, because the mean of its divisors is an integer number (19133820).

Almost surely, 2^2215400000 is an apocalyptic number.

2215400000 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 2215400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214481760).

2215400000 is an abundant number, since it is smaller than the sum of its proper divisors (4213563520).

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

2215400000 is an equidigital number, since it uses as much as digits as its factorization.

2215400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2215400000 is about 47068.0358629931. The cubic root of 2215400000 is about 1303.6191066389.

Adding to 2215400000 its reverse (45122), we get a palindrome (2215445122).

The spelling of 2215400000 in words is "two billion, two hundred fifteen million, four hundred thousand".