225020378 has 16 divisors (see below), whose sum is σ = 371119104. Its totient is φ = 101475360.

The previous prime is 225020357. The next prime is 225020417. The reversal of 225020378 is 873020522.

It is a self number, because there is not a number n which added to its sum of digits gives 225020378.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37475 + ... + 43062.

It is an arithmetic number, because the mean of its divisors is an integer number (23194944).

Almost surely, 2^225020378 is an apocalyptic number.

225020378 is a deficient number, since it is larger than the sum of its proper divisors (146098726).

225020378 is a wasteful number, since it uses less digits than its factorization.

225020378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80677.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 225020378 is about 15000.6792512873. The cubic root of 225020378 is about 608.2385609456.

The spelling of 225020378 in words is "two hundred twenty-five million, twenty thousand, three hundred seventy-eight".