226222425 has 144 divisors (see below), whose sum is σ = 487468800. Its totient is φ = 98841600.

The previous prime is 226222369. The next prime is 226222427. The reversal of 226222425 is 524222622.

It is not a de Polignac number, because 226222425 - 2⁹ = 226221913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226222427) 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 143 ways as a sum of consecutive naturals, for example, 2541781 + ... + 2541869.

It is an arithmetic number, because the mean of its divisors is an integer number (3385200).

Almost surely, 2^226222425 is an apocalyptic number.

226222425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226222425 is an abundant number, since it is smaller than the sum of its proper divisors (261246375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226222425 is a wasteful number, since it uses less digits than its factorization.

226222425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 200 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 226222425 is about 15040.6923045450. The cubic root of 226222425 is about 609.3196975454.

The spelling of 226222425 in words is "two hundred twenty-six million, two hundred twenty-two thousand, four hundred twenty-five".