220525378 has 4 divisors (see below), whose sum is σ = 330788070. Its totient is φ = 110262688.

The previous prime is 220525321. The next prime is 220525379. The reversal of 220525378 is 873525022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 119180889 + 101344489 = 10917^2 + 10067^2 .

It is not an unprimeable number, because it can be changed into a prime (220525379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55131343 + ... + 55131346.

Almost surely, 2^220525378 is an apocalyptic number.

220525378 is a deficient number, since it is larger than the sum of its proper divisors (110262692).

220525378 is a wasteful number, since it uses less digits than its factorization.

220525378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110262691.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 220525378 is about 14850.0969020407. The cubic root of 220525378 is about 604.1612382569.

The spelling of 220525378 in words is "two hundred twenty million, five hundred twenty-five thousand, three hundred seventy-eight".