222843025 has 6 divisors (see below), whose sum is σ = 276325382. Its totient is φ = 178274400.

The previous prime is 222843013. The next prime is 222843031. The reversal of 222843025 is 520348222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11751184 + 211091841 = 3428^2 + 14529^2 .

It is not a de Polignac number, because 222843025 - 2¹¹ = 222840977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222842984 and 222843002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4456836 + ... + 4456885.

Almost surely, 2^222843025 is an apocalyptic number.

222843025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222843025 is a deficient number, since it is larger than the sum of its proper divisors (53482357).

222843025 is an equidigital number, since it uses as much as digits as its factorization.

222843025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8913731 (or 8913726 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 222843025 is about 14927.9276860521. The cubic root of 222843025 is about 606.2703766134.

The spelling of 222843025 in words is "two hundred twenty-two million, eight hundred forty-three thousand, twenty-five".