226445108656 has 80 divisors (see below), whose sum is σ = 481079951968. Its totient is φ = 102618316800.

The previous prime is 226445108633. The next prime is 226445108693. The reversal of 226445108656 is 656801544622.

It is a happy number.

It is a super-2 number, since 2×226445108656² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7305511 + ... + 7336441.

Almost surely, 2^226445108656 is an apocalyptic number.

226445108656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226445108656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240539975984).

226445108656 is an abundant number, since it is smaller than the sum of its proper divisors (254634843312).

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

226445108656 is a wasteful number, since it uses less digits than its factorization.

226445108656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31590 (or 31584 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 226445108656 in words is "two hundred twenty-six billion, four hundred forty-five million, one hundred eight thousand, six hundred fifty-six".