225707354742550 has 288 divisors, whose sum is σ = 467718573640032. Its totient is φ = 80731261440000.

The previous prime is 225707354742511. The next prime is 225707354742557. The reversal of 225707354742550 is 55247453707522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225707354742557) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 28451698384 + ... + 28451706316.

It is an arithmetic number, because the mean of its divisors is an integer number (1624022825139).

Almost surely, 2^{225707354742550} is an apocalyptic number.

225707354742550 is an abundant number, since it is smaller than the sum of its proper divisors (242011218897482).

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

225707354742550 is a wasteful number, since it uses less digits than its factorization.

225707354742550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656 (or 8620 counting only the distinct ones).

The product of its (nonzero) digits is 82320000, while the sum is 58.

The spelling of 225707354742550 in words is "two hundred twenty-five trillion, seven hundred seven billion, three hundred fifty-four million, seven hundred forty-two thousand, five hundred fifty".