2981220252 has 12 divisors (see below), whose sum is σ = 6956180616. Its totient is φ = 993740080.

The previous prime is 2981220211. The next prime is 2981220257. The reversal of 2981220252 is 2520221892.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981220257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124217499 + ... + 124217522.

It is an arithmetic number, because the mean of its divisors is an integer number (579681718).

Almost surely, 2^2981220252 is an apocalyptic number.

It is an amenable number.

2981220252 is an abundant number, since it is smaller than the sum of its proper divisors (3974960364).

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

2981220252 is a wasteful number, since it uses less digits than its factorization.

2981220252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248435028 (or 248435026 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 2981220252 is about 54600.5517554539. The cubic root of 2981220252 is about 1439.2338150141.

The spelling of 2981220252 in words is "two billion, nine hundred eighty-one million, two hundred twenty thousand, two hundred fifty-two".