2122015544 has 16 divisors (see below), whose sum is σ = 4340486520. Its totient is φ = 964552480.

The previous prime is 2122015523. The next prime is 2122015559. The reversal of 2122015544 is 4455102212.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12056819 + ... + 12056994.

Almost surely, 2^2122015544 is an apocalyptic number.

It is an amenable number.

2122015544 is an abundant number, since it is smaller than the sum of its proper divisors (2218470976).

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

2122015544 is a wasteful number, since it uses less digits than its factorization.

2122015544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24113830 (or 24113826 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2122015544 is about 46065.3399423037. The cubic root of 2122015544 is about 1285.0386406545.

Adding to 2122015544 its reverse (4455102212), we get a palindrome (6577117756).

The spelling of 2122015544 in words is "two billion, one hundred twenty-two million, fifteen thousand, five hundred forty-four".