222909375 has 96 divisors (see below), whose sum is σ = 419973120. Its totient is φ = 104400000.

The previous prime is 222909373. The next prime is 222909383. The reversal of 222909375 is 573909222.

It is not a de Polignac number, because 222909375 - 2¹ = 222909373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222909373) 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 95 ways as a sum of consecutive naturals, for example, 3778096 + ... + 3778154.

It is an arithmetic number, because the mean of its divisors is an integer number (4374720).

Almost surely, 2^222909375 is an apocalyptic number.

222909375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

222909375 is a deficient number, since it is larger than the sum of its proper divisors (197063745).

222909375 is an equidigital number, since it uses as much as digits as its factorization.

222909375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 222909375 is about 14930.1498652894. The cubic root of 222909375 is about 606.3305416075.

The spelling of 222909375 in words is "two hundred twenty-two million, nine hundred nine thousand, three hundred seventy-five".