2222545442 has 16 divisors (see below), whose sum is σ = 3714069240. Its totient is φ = 990417792.

The previous prime is 2222545421. The next prime is 2222545477. The reversal of 2222545442 is 2445452222.

It can be written as a sum of positive squares in 4 ways, for example, as 1523418961 + 699126481 = 39031^2 + 26441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2222545399 and 2222545408.

It is an unprimeable number.

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, 1473083 + ... + 1474590.

Almost surely, 2^2222545442 is an apocalyptic number.

2222545442 is a deficient number, since it is larger than the sum of its proper divisors (1491523798).

2222545442 is a wasteful number, since it uses less digits than its factorization.

2222545442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947717.

The product of its digits is 51200, while the sum is 32.

The square root of 2222545442 is about 47143.8802179032. The cubic root of 2222545442 is about 1305.0191454549.

Adding to 2222545442 its reverse (2445452222), we get a palindrome (4667997664).

The spelling of 2222545442 in words is "two billion, two hundred twenty-two million, five hundred forty-five thousand, four hundred forty-two".