2222142544 has 10 divisors (see below), whose sum is σ = 4305401210. Its totient is φ = 1111071264.

The previous prime is 2222142541. The next prime is 2222142551. The reversal of 2222142544 is 4452412222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2003457600 + 218684944 = 44760^2 + 14788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222142541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69441939 + ... + 69441970.

It is an arithmetic number, because the mean of its divisors is an integer number (430540121).

Almost surely, 2^2222142544 is an apocalyptic number.

It is an amenable number.

2222142544 is a deficient number, since it is larger than the sum of its proper divisors (2083258666).

2222142544 is a wasteful number, since it uses less digits than its factorization.

2222142544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138883917 (or 138883911 counting only the distinct ones).

The product of its digits is 10240, while the sum is 28.

The square root of 2222142544 is about 47139.6069563589. The cubic root of 2222142544 is about 1304.9402837185.

Adding to 2222142544 its reverse (4452412222), we get a palindrome (6674554766).

The spelling of 2222142544 in words is "two billion, two hundred twenty-two million, one hundred forty-two thousand, five hundred forty-four".