222750523 has 4 divisors (see below), whose sum is σ = 222825280. Its totient is φ = 222675768.

The previous prime is 222750491. The next prime is 222750527. The reversal of 222750523 is 325057222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222750523 - 2⁵ = 222750491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222750491 and 222750500.

It is not an unprimeable number, because it can be changed into a prime (222750527) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32715 + ... + 38932.

It is an arithmetic number, because the mean of its divisors is an integer number (55706320).

Almost surely, 2^222750523 is an apocalyptic number.

222750523 is a deficient number, since it is larger than the sum of its proper divisors (74757).

222750523 is an equidigital number, since it uses as much as digits as its factorization.

222750523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74756.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 222750523 is about 14924.8290777483. The cubic root of 222750523 is about 606.1864775191.

It can be divided in two parts, 22 and 2750523, that multiplied together give a palindrome (60511506).

The spelling of 222750523 in words is "two hundred twenty-two million, seven hundred fifty thousand, five hundred twenty-three".