225420552 has 48 divisors (see below), whose sum is σ = 697731840. Its totient is φ = 64405728.

The previous prime is 225420551. The next prime is 225420553. The reversal of 225420552 is 255024522.

225420552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225420551) and next prime (225420553).

It is not an unprimeable number, because it can be changed into a prime (225420551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223128 + ... + 224135.

It is an arithmetic number, because the mean of its divisors is an integer number (14536080).

Almost surely, 2^225420552 is an apocalyptic number.

It is an amenable number.

225420552 is an abundant number, since it is smaller than the sum of its proper divisors (472311288).

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

225420552 is a wasteful number, since it uses less digits than its factorization.

225420552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447282 (or 447275 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 225420552 is about 15014.0118555968. The cubic root of 225420552 is about 608.5989092171.

The spelling of 225420552 in words is "two hundred twenty-five million, four hundred twenty thousand, five hundred fifty-two".