2220466206644 has 12 divisors (see below), whose sum is σ = 4440932413344. Its totient is φ = 951628374264.

The previous prime is 2220466206643. The next prime is 2220466206671. The reversal of 2220466206644 is 4466026640222.

It is a happy number.

2220466206644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2220466206595 and 2220466206604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220466206643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39651182234 + ... + 39651182289.

It is an arithmetic number, because the mean of its divisors is an integer number (370077701112).

Almost surely, 2^{2220466206644} is an apocalyptic number.

It is an amenable number.

2220466206644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2220466206644 is a wasteful number, since it uses less digits than its factorization.

2220466206644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79302364534 (or 79302364532 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 2220466206644 in words is "two trillion, two hundred twenty billion, four hundred sixty-six million, two hundred six thousand, six hundred forty-four".