2252608278 has 8 divisors (see below), whose sum is σ = 4505216568. Its totient is φ = 750869424.

The previous prime is 2252608243. The next prime is 2252608283. The reversal of 2252608278 is 8728062522.

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

2252608278 is an admirable number.

It is a super-2 number, since 2×2252608278² = 10148488108228250568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187717351 + ... + 187717362.

It is an arithmetic number, because the mean of its divisors is an integer number (563152071).

Almost surely, 2^2252608278 is an apocalyptic number.

2252608278 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.

2252608278 is a wasteful number, since it uses less digits than its factorization.

2252608278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375434718.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 2252608278 is about 47461.6506034082. The cubic root of 2252608278 is about 1310.8768439532.

The spelling of 2252608278 in words is "two billion, two hundred fifty-two million, six hundred eight thousand, two hundred seventy-eight".