225022452550 has 72 divisors (see below), whose sum is σ = 493545024936. Its totient is φ = 76093637760.

The previous prime is 225022452547. The next prime is 225022452581. The reversal of 225022452550 is 55254220522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 450232 + ... + 807931.

It is an arithmetic number, because the mean of its divisors is an integer number (6854792013).

Almost surely, 2^225022452550 is an apocalyptic number.

225022452550 is an abundant number, since it is smaller than the sum of its proper divisors (268522572386).

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

225022452550 is a wasteful number, since it uses less digits than its factorization.

225022452550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258262 (or 1258250 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The spelling of 225022452550 in words is "two hundred twenty-five billion, twenty-two million, four hundred fifty-two thousand, five hundred fifty".