222825140 has 24 divisors (see below), whose sum is σ = 478816800. Its totient is φ = 87056928.

The previous prime is 222825077. The next prime is 222825181. The reversal of 222825140 is 41528222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128690 + ... + 130409.

It is an arithmetic number, because the mean of its divisors is an integer number (19950700).

Almost surely, 2^222825140 is an apocalyptic number.

222825140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222825140 is an abundant number, since it is smaller than the sum of its proper divisors (255991660).

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

222825140 is a wasteful number, since it uses less digits than its factorization.

222825140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259151 (or 259149 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 222825140 is about 14927.3286290615. The cubic root of 222825140 is about 606.2541567717.

The spelling of 222825140 in words is "two hundred twenty-two million, eight hundred twenty-five thousand, one hundred forty".