2220664242 has 8 divisors (see below), whose sum is σ = 4441328496. Its totient is φ = 740221412.

The previous prime is 2220664217. The next prime is 2220664247. The reversal of 2220664242 is 2424660222.

It is a sphenic number, since it is the product of 3 distinct primes.

2220664242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2220664247) 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, 185055348 + ... + 185055359.

It is an arithmetic number, because the mean of its divisors is an integer number (555166062).

Almost surely, 2^2220664242 is an apocalyptic number.

2220664242 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.

2220664242 is a wasteful number, since it uses less digits than its factorization.

2220664242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370110712.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 2220664242 is about 47123.9243060253. The cubic root of 2220664242 is about 1304.6508447747.

The spelling of 2220664242 in words is "two billion, two hundred twenty million, six hundred sixty-four thousand, two hundred forty-two".