225429378 has 32 divisors (see below), whose sum is σ = 455362560. Its totient is φ = 74396880.

The previous prime is 225429377. The next prime is 225429397. The reversal of 225429378 is 873924522.

It is not an unprimeable number, because it can be changed into a prime (225429377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462651 + ... + 463137.

It is an arithmetic number, because the mean of its divisors is an integer number (14230080).

Almost surely, 2^225429378 is an apocalyptic number.

225429378 is an abundant number, since it is smaller than the sum of its proper divisors (229933182).

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

225429378 is a wasteful number, since it uses less digits than its factorization.

225429378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its digits is 241920, while the sum is 42.

The square root of 225429378 is about 15014.3057781570. The cubic root of 225429378 is about 608.6068520360.

The spelling of 225429378 in words is "two hundred twenty-five million, four hundred twenty-nine thousand, three hundred seventy-eight".