222207025 has 24 divisors (see below), whose sum is σ = 288552960. Its totient is φ = 169424640.

The previous prime is 222207001. The next prime is 222207031. The reversal of 222207025 is 520702222.

It is a happy number.

It is not a de Polignac number, because 222207025 - 2⁹ = 222206513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222206987 and 222207005.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219721 + ... + 220729.

It is an arithmetic number, because the mean of its divisors is an integer number (12023040).

Almost surely, 2^222207025 is an apocalyptic number.

222207025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222207025 is a deficient number, since it is larger than the sum of its proper divisors (66345935).

222207025 is a wasteful number, since it uses less digits than its factorization.

222207025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 222207025 is about 14906.6101109541. The cubic root of 222207025 is about 605.6930563699.

Adding to 222207025 its reverse (520702222), we get a palindrome (742909247).

The spelling of 222207025 in words is "two hundred twenty-two million, two hundred seven thousand, twenty-five".