222404025 has 48 divisors (see below), whose sum is σ = 391294400. Its totient is φ = 111144960.

The previous prime is 222404023. The next prime is 222404033. The reversal of 222404025 is 520404222.

It is not a de Polignac number, because 222404025 - 2¹ = 222404023 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 222403992 and 222404010.

It is not an unprimeable number, because it can be changed into a prime (222404023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137421 + ... + 139029.

Almost surely, 2^222404025 is an apocalyptic number.

222404025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222404025 is a deficient number, since it is larger than the sum of its proper divisors (168890375).

222404025 is a wasteful number, since it uses less digits than its factorization.

222404025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 222404025 is about 14913.2164538707. The cubic root of 222404025 is about 605.8719980386.

Adding to 222404025 its reverse (520404222), we get a palindrome (742808247).

The spelling of 222404025 in words is "two hundred twenty-two million, four hundred four thousand, twenty-five".