2221476078 has 16 divisors (see below), whose sum is σ = 4563032400. Its totient is φ = 720478656.

The previous prime is 2221476077. The next prime is 2221476097. The reversal of 2221476078 is 8706741222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221476077) 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 7 ways as a sum of consecutive naturals, for example, 5003103 + ... + 5003546.

It is an arithmetic number, because the mean of its divisors is an integer number (285189525).

Almost surely, 2^2221476078 is an apocalyptic number.

2221476078 is an abundant number, since it is smaller than the sum of its proper divisors (2341556322).

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

2221476078 is a wasteful number, since it uses less digits than its factorization.

2221476078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006691.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 2221476078 is about 47132.5373600870. The cubic root of 2221476078 is about 1304.8098112465.

The spelling of 2221476078 in words is "two billion, two hundred twenty-one million, four hundred seventy-six thousand, seventy-eight".