2506785222 has 8 divisors (see below), whose sum is σ = 5013570456. Its totient is φ = 835595072.

The previous prime is 2506785221. The next prime is 2506785241. The reversal of 2506785222 is 2225876052.

It is a sphenic number, since it is the product of 3 distinct primes.

2506785222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506785221) 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, 208898763 + ... + 208898774.

It is an arithmetic number, because the mean of its divisors is an integer number (626696307).

Almost surely, 2^2506785222 is an apocalyptic number.

2506785222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2506785222 is a wasteful number, since it uses less digits than its factorization.

2506785222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417797542.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 2506785222 is about 50067.8062431339. The cubic root of 2506785222 is about 1358.4355608694.

The spelling of 2506785222 in words is "two billion, five hundred six million, seven hundred eighty-five thousand, two hundred twenty-two".