2215144010156 has 24 divisors (see below), whose sum is σ = 4833041477376. Its totient is φ = 863043120720.

The previous prime is 2215144010153. The next prime is 2215144010237. The reversal of 2215144010156 is 6510104415122.

It is a happy number.

It is a super-2 number, since 2×2215144010156² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2215144010153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3596012696 + ... + 3596013311.

It is an arithmetic number, because the mean of its divisors is an integer number (201376728224).

Almost surely, 2^{2215144010156} is an apocalyptic number.

It is an amenable number.

2215144010156 is an abundant number, since it is smaller than the sum of its proper divisors (2617897467220).

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

2215144010156 is a wasteful number, since it uses less digits than its factorization.

2215144010156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192026029 (or 7192026027 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 2215144010156 its reverse (6510104415122), we get a palindrome (8725248425278).

The spelling of 2215144010156 in words is "two trillion, two hundred fifteen billion, one hundred forty-four million, ten thousand, one hundred fifty-six".