220226606644 has 12 divisors (see below), whose sum is σ = 420432612768. Its totient is φ = 100103003000.

The previous prime is 220226606617. The next prime is 220226606659. The reversal of 220226606644 is 446606622022.

It is a happy number.

It is a super-2 number, since 2×220226606644² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220226606597 and 220226606606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502575032 + ... + 2502575119.

It is an arithmetic number, because the mean of its divisors is an integer number (35036051064).

Almost surely, 2^220226606644 is an apocalyptic number.

It is an amenable number.

220226606644 is a deficient number, since it is larger than the sum of its proper divisors (200206006124).

220226606644 is a wasteful number, since it uses less digits than its factorization.

220226606644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005150166 (or 5005150164 counting only the distinct ones).

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

The spelling of 220226606644 in words is "two hundred twenty billion, two hundred twenty-six million, six hundred six thousand, six hundred forty-four".