2223520452 has 18 divisors (see below), whose sum is σ = 5620565678. Its totient is φ = 741173472.

The previous prime is 2223520447. The next prime is 2223520463. The reversal of 2223520452 is 2540253222.

It can be written as a sum of positive squares in only one way, i.e., 2223499716 + 20736 = 47154^2 + 144^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 30882193 + ... + 30882264.

Almost surely, 2^2223520452 is an apocalyptic number.

It is an amenable number.

2223520452 is an abundant number, since it is smaller than the sum of its proper divisors (3397045226).

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

2223520452 is a wasteful number, since it uses less digits than its factorization.

2223520452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61764467 (or 61764462 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2223520452 is about 47154.2198747896. The cubic root of 2223520452 is about 1305.2099508072.

Adding to 2223520452 its reverse (2540253222), we get a palindrome (4763773674).

The spelling of 2223520452 in words is "two billion, two hundred twenty-three million, five hundred twenty thousand, four hundred fifty-two".