2215007481 has 16 divisors (see below), whose sum is σ = 2994001920. Its totient is φ = 1456458000.

The previous prime is 2215007477. The next prime is 2215007491. The reversal of 2215007481 is 1847005122.

It is not a de Polignac number, because 2215007481 - 2² = 2215007477 is a prime.

It is a super-2 number, since 2×2215007481² = 9812516281771930722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2215007491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63280 + ... + 91838.

It is an arithmetic number, because the mean of its divisors is an integer number (187125120).

Almost surely, 2^2215007481 is an apocalyptic number.

It is an amenable number.

2215007481 is a deficient number, since it is larger than the sum of its proper divisors (778994439).

2215007481 is a wasteful number, since it uses less digits than its factorization.

2215007481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28916.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 2215007481 is about 47063.8659801763. The cubic root of 2215007481 is about 1303.5421114399.

The spelling of 2215007481 in words is "two billion, two hundred fifteen million, seven thousand, four hundred eighty-one".