2214475640 has 32 divisors (see below), whose sum is σ = 5365846080. Its totient is φ = 817652352.

The previous prime is 2214475639. The next prime is 2214475643. The reversal of 2214475640 is 465744122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2214475640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214475643) 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, 2128784 + ... + 2129823.

It is an arithmetic number, because the mean of its divisors is an integer number (167682690).

Almost surely, 2^2214475640 is an apocalyptic number.

2214475640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2214475640 is an abundant number, since it is smaller than the sum of its proper divisors (3151370440).

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

2214475640 is a wasteful number, since it uses less digits than its factorization.

2214475640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258631 (or 4258627 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 2214475640 is about 47058.2154357770. The cubic root of 2214475640 is about 1303.4377727954.

The spelling of 2214475640 in words is "two billion, two hundred fourteen million, four hundred seventy-five thousand, six hundred forty".