2212201540 has 48 divisors (see below), whose sum is σ = 5047902720. Its totient is φ = 811261440.

The previous prime is 2212201531. The next prime is 2212201549. The reversal of 2212201540 is 451022122.

It is an interprime number because it is at equal distance from previous prime (2212201531) and next prime (2212201549).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (2212201549) 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, 82117 + ... + 105676.

It is an arithmetic number, because the mean of its divisors is an integer number (105164640).

Almost surely, 2^2212201540 is an apocalyptic number.

2212201540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212201540 is an abundant number, since it is smaller than the sum of its proper divisors (2835701180).

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

2212201540 is a wasteful number, since it uses less digits than its factorization.

2212201540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187852 (or 187850 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2212201540 is about 47034.0466045608. The cubic root of 2212201540 is about 1302.9914424441.

Adding to 2212201540 its reverse (451022122), we get a palindrome (2663223662).

The spelling of 2212201540 in words is "two billion, two hundred twelve million, two hundred one thousand, five hundred forty".