2222400064 has 14 divisors (see below), whose sum is σ = 4410075254. Its totient is φ = 1111200000.

The previous prime is 2222399989. The next prime is 2222400067. The reversal of 2222400064 is 4600042222.

It can be written as a sum of positive squares in only one way, i.e., 1946574400 + 275825664 = 44120^2 + 16608^2 .

It is not an unprimeable number, because it can be changed into a prime (2222400067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17362437 + ... + 17362564.

Almost surely, 2^2222400064 is an apocalyptic number.

It is an amenable number.

2222400064 is a deficient number, since it is larger than the sum of its proper divisors (2187675190).

2222400064 is an equidigital number, since it uses as much as digits as its factorization.

2222400064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34725013 (or 34725003 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2222400064 is about 47142.3383382708. The cubic root of 2222400064 is about 1304.9906908121.

Adding to 2222400064 its reverse (4600042222), we get a palindrome (6822442286).

The spelling of 2222400064 in words is "two billion, two hundred twenty-two million, four hundred thousand, sixty-four".