225437726610 has 192 divisors, whose sum is σ = 625178736000. Its totient is φ = 58407340032.

The previous prime is 225437726567. The next prime is 225437726621. The reversal of 225437726610 is 16627734522.

225437726610 is a `hidden beast` number, since 2 + 2 + 5 + 4 + 3 + 7 + 7 + 26 + 610 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 83525041 + ... + 83527739.

It is an arithmetic number, because the mean of its divisors is an integer number (3256139250).

Almost surely, 2^225437726610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225437726610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312589368000).

225437726610 is an abundant number, since it is smaller than the sum of its proper divisors (399741009390).

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

225437726610 is a wasteful number, since it uses less digits than its factorization.

225437726610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687 (or 3675 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 225437726610 in words is "two hundred twenty-five billion, four hundred thirty-seven million, seven hundred twenty-six thousand, six hundred ten".