2442221252 has 12 divisors (see below), whose sum is σ = 4378128636. Its totient is φ = 1191327360.

The previous prime is 2442221251. The next prime is 2442221263. The reversal of 2442221252 is 2521222442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 762532996 + 1679688256 = 27614^2 + 40984^2 .

It is a super-4 number, since 4×2442221252⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2442221251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7445633 + ... + 7445960.

It is an arithmetic number, because the mean of its divisors is an integer number (364844053).

Almost surely, 2^2442221252 is an apocalyptic number.

It is an amenable number.

2442221252 is a deficient number, since it is larger than the sum of its proper divisors (1935907384).

2442221252 is a wasteful number, since it uses less digits than its factorization.

2442221252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891638 (or 14891636 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 2442221252 is about 49418.8349923387. The cubic root of 2442221252 is about 1346.6714987192.

Adding to 2442221252 its reverse (2521222442), we get a palindrome (4963443694).

The spelling of 2442221252 in words is "two billion, four hundred forty-two million, two hundred twenty-one thousand, two hundred fifty-two".