225500739378 has 16 divisors (see below), whose sum is σ = 451054633536. Its totient is φ = 75158054000.

The previous prime is 225500739301. The next prime is 225500739383. The reversal of 225500739378 is 873937005522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225500739378.

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, 2159526 + ... + 2261537.

It is an arithmetic number, because the mean of its divisors is an integer number (28190914596).

Almost surely, 2^225500739378 is an apocalyptic number.

225500739378 is an abundant number, since it is smaller than the sum of its proper divisors (225553894158).

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

225500739378 is a wasteful number, since it uses less digits than its factorization.

225500739378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429569.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 225500739378 in words is "two hundred twenty-five billion, five hundred million, seven hundred thirty-nine thousand, three hundred seventy-eight".