2223126442 has 16 divisors (see below), whose sum is σ = 3355489800. Its totient is φ = 1104651520.

The previous prime is 2223126419. The next prime is 2223126449. The reversal of 2223126442 is 2446213222.

It can be written as a sum of positive squares in 4 ways, for example, as 2153052801 + 70073641 = 46401^2 + 8371^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2223126442.

It is not an unprimeable number, because it can be changed into a prime (2223126449) 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 7 ways as a sum of consecutive naturals, for example, 213534 + ... + 223702.

Almost surely, 2^2223126442 is an apocalyptic number.

2223126442 is a deficient number, since it is larger than the sum of its proper divisors (1132363358).

2223126442 is a wasteful number, since it uses less digits than its factorization.

2223126442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10841.

The product of its digits is 9216, while the sum is 28.

The square root of 2223126442 is about 47150.0418027386. The cubic root of 2223126442 is about 1305.1328514261.

Adding to 2223126442 its reverse (2446213222), we get a palindrome (4669339664).

The spelling of 2223126442 in words is "two billion, two hundred twenty-three million, one hundred twenty-six thousand, four hundred forty-two".