2215342064 has 40 divisors (see below), whose sum is σ = 4640921712. Its totient is φ = 1018368000.

The previous prime is 2215342049. The next prime is 2215342091. The reversal of 2215342064 is 4602435122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30992 + ... + 73424.

Almost surely, 2^2215342064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215342064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320460856).

2215342064 is an abundant number, since it is smaller than the sum of its proper divisors (2425579648).

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

2215342064 is a wasteful number, since it uses less digits than its factorization.

2215342064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42705 (or 42699 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2215342064 is about 47067.4204094510. The cubic root of 2215342064 is about 1303.6077426813.

Adding to 2215342064 its reverse (4602435122), we get a palindrome (6817777186).

The spelling of 2215342064 in words is "two billion, two hundred fifteen million, three hundred forty-two thousand, sixty-four".