222298025 has 6 divisors (see below), whose sum is σ = 275649582. Its totient is φ = 177838400.

The previous prime is 222297997. The next prime is 222298039. The reversal of 222298025 is 520892222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 55294096 + 167003929 = 7436^2 + 12923^2 .

It is not a de Polignac number, because 222298025 - 2⁸ = 222297769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222297982 and 222298000.

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, 4445936 + ... + 4445985.

It is an arithmetic number, because the mean of its divisors is an integer number (45941597).

Almost surely, 2^222298025 is an apocalyptic number.

222298025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222298025 is a deficient number, since it is larger than the sum of its proper divisors (53351557).

222298025 is an equidigital number, since it uses as much as digits as its factorization.

222298025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891931 (or 8891926 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 222298025 is about 14909.6621356756. The cubic root of 222298025 is about 605.7757278421.

The spelling of 222298025 in words is "two hundred twenty-two million, two hundred ninety-eight thousand, twenty-five".