2215550234244 has 24 divisors (see below), whose sum is σ = 5169864172480. Its totient is φ = 738481464864.

The previous prime is 2215550234213. The next prime is 2215550234251. The reversal of 2215550234244 is 4424320555122.

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, 4147699 + ... + 4651290.

Almost surely, 2^{2215550234244} is an apocalyptic number.

It is an amenable number.

2215550234244 is an abundant number, since it is smaller than the sum of its proper divisors (2954313938236).

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

2215550234244 is a wasteful number, since it uses less digits than its factorization.

2215550234244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819979 (or 8819977 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 2215550234244 its reverse (4424320555122), we get a palindrome (6639870789366).

The spelling of 2215550234244 in words is "two trillion, two hundred fifteen billion, five hundred fifty million, two hundred thirty-four thousand, two hundred forty-four".