225450648 has 32 divisors (see below), whose sum is σ = 626252400. Its totient is φ = 75150144.

The previous prime is 225450629. The next prime is 225450653. The reversal of 225450648 is 846054522.

It is a happy number.

225450648 is a `hidden beast` number, since 2 + 2 + 5 + 4 + 5 + 0 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 521661 + ... + 522092.

Almost surely, 2^225450648 is an apocalyptic number.

It is an amenable number.

225450648 is an abundant number, since it is smaller than the sum of its proper divisors (400801752).

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

225450648 is a wasteful number, since it uses less digits than its factorization.

225450648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043768 (or 1043758 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 225450648 is about 15015.0140859075. The cubic root of 225450648 is about 608.6259927839.

The spelling of 225450648 in words is "two hundred twenty-five million, four hundred fifty thousand, six hundred forty-eight".