226465256646 has 40 divisors (see below), whose sum is σ = 534157825080. Its totient is φ = 71515343232.

The previous prime is 226465256639. The next prime is 226465256683. The reversal of 226465256646 is 646652564622.

226465256646 is a `hidden beast` number, since 2 + 26 + 4 + 6 + 52 + 566 + 4 + 6 = 666.

It is a super-4 number, since 4×226465256646⁴ (a number of 47 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 226465256592 and 226465256601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36784651 + ... + 36790806.

It is an arithmetic number, because the mean of its divisors is an integer number (13353945627).

Almost surely, 2^226465256646 is an apocalyptic number.

226465256646 is an abundant number, since it is smaller than the sum of its proper divisors (307692568434).

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

226465256646 is a wasteful number, since it uses less digits than its factorization.

226465256646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73575490 (or 73575481 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 54.

The spelling of 226465256646 in words is "two hundred twenty-six billion, four hundred sixty-five million, two hundred fifty-six thousand, six hundred forty-six".