2220022064 has 40 divisors (see below), whose sum is σ = 4730738880. Its totient is φ = 1002820608.

The previous prime is 2220022037. The next prime is 2220022097. The reversal of 2220022064 is 4602200222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103769 + ... + 123320.

It is an arithmetic number, because the mean of its divisors is an integer number (118268472).

Almost surely, 2^2220022064 is an apocalyptic number.

It is an amenable number.

2220022064 is an abundant number, since it is smaller than the sum of its proper divisors (2510716816).

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

2220022064 is a wasteful number, since it uses less digits than its factorization.

2220022064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227157 (or 227151 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2220022064 is about 47117.1100981374. The cubic root of 2220022064 is about 1304.5250717698.

Adding to 2220022064 its reverse (4602200222), we get a palindrome (6822222286).

It can be divided in two parts, 222002 and 2064, that multiplied together give a triangular number (458212128 = T₃₀₂₇₂).

The spelling of 2220022064 in words is "two billion, two hundred twenty million, twenty-two thousand, sixty-four".