226606226440 has 64 divisors (see below), whose sum is σ = 556422048000. Its totient is φ = 82371632640.

The previous prime is 226606226411. The next prime is 226606226471. The reversal of 226606226440 is 44622606622.

It is a happy number.

It is a super-2 number, since 2×226606226440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 226606226393 and 226606226402.

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, 1106401 + ... + 1295119.

It is an arithmetic number, because the mean of its divisors is an integer number (8694094500).

Almost surely, 2^226606226440 is an apocalyptic number.

226606226440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226606226440 is an abundant number, since it is smaller than the sum of its proper divisors (329815821560).

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

226606226440 is a wasteful number, since it uses less digits than its factorization.

226606226440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191470 (or 191466 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 226606226440 in words is "two hundred twenty-six billion, six hundred six million, two hundred twenty-six thousand, four hundred forty".