225655610376 has 128 divisors (see below), whose sum is σ = 667397203200. Its totient is φ = 62209244160.

The previous prime is 225655610371. The next prime is 225655610381. The reversal of 225655610376 is 673016556522.

It is an interprime number because it is at equal distance from previous prime (225655610371) and next prime (225655610381).

It is a super-2 number, since 2×225655610376² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225655610371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7883226 + ... + 7911798.

It is an arithmetic number, because the mean of its divisors is an integer number (5214040650).

Almost surely, 2^225655610376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225655610376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333698601600).

225655610376 is an abundant number, since it is smaller than the sum of its proper divisors (441741592824).

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

225655610376 is a wasteful number, since it uses less digits than its factorization.

225655610376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30239 (or 30235 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 225655610376 in words is "two hundred twenty-five billion, six hundred fifty-five million, six hundred ten thousand, three hundred seventy-six".