2240221564 has 12 divisors (see below), whose sum is σ = 4480443184. Its totient is φ = 960094944.

The previous prime is 2240221561. The next prime is 2240221567. The reversal of 2240221564 is 4651220422.

It is an interprime number because it is at equal distance from previous prime (2240221561) and next prime (2240221567).

2240221564 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 80007913 = 2240221564 / (2 + 2 + 4 + 0 + 2 + 2 + 1 + 5 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240221561) 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, 40003929 + ... + 40003984.

Almost surely, 2^2240221564 is an apocalyptic number.

It is an amenable number.

2240221564 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.

2240221564 is a wasteful number, since it uses less digits than its factorization.

2240221564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80007924 (or 80007922 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2240221564 is about 47330.9789038849. The cubic root of 2240221564 is about 1308.4696625660.

Adding to 2240221564 its reverse (4651220422), we get a palindrome (6891441986).

The spelling of 2240221564 in words is "two billion, two hundred forty million, two hundred twenty-one thousand, five hundred sixty-four".