2206979937252 has 144 divisors (see below), whose sum is σ = 5802361003712. Its totient is φ = 733503703680.

The previous prime is 2206979937247. The next prime is 2206979937269. The reversal of 2206979937252 is 2527399796022.

2206979937252 is a `hidden beast` number, since 2 + 206 + 9 + 7 + 9 + 9 + 372 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2206979937252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 548043663 + ... + 548047689.

Almost surely, 2^{2206979937252} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2206979937252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2901180501856).

2206979937252 is an abundant number, since it is smaller than the sum of its proper divisors (3595381066460).

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

2206979937252 is a wasteful number, since it uses less digits than its factorization.

2206979937252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560 (or 5546 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 2206979937252 in words is "two trillion, two hundred six billion, nine hundred seventy-nine million, nine hundred thirty-seven thousand, two hundred fifty-two".