252223766 has 8 divisors (see below), whose sum is σ = 378713640. Its totient is φ = 125985888.

The previous prime is 252223757. The next prime is 252223813. The reversal of 252223766 is 667322252.

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

It is a Curzon 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, 60476 + ... + 64511.

It is an arithmetic number, because the mean of its divisors is an integer number (47339205).

Almost surely, 2^252223766 is an apocalyptic number.

252223766 is a deficient number, since it is larger than the sum of its proper divisors (126489874).

252223766 is a wasteful number, since it uses less digits than its factorization.

252223766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125998.

The product of its digits is 60480, while the sum is 35.

The square root of 252223766 is about 15881.5542690254. The cubic root of 252223766 is about 631.8228603456.

The spelling of 252223766 in words is "two hundred fifty-two million, two hundred twenty-three thousand, seven hundred sixty-six".