2220224042 has 4 divisors (see below), whose sum is σ = 3330336066. Its totient is φ = 1110112020.

The previous prime is 2220224029. The next prime is 2220224053. The reversal of 2220224042 is 2404220222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1450771921 + 769452121 = 38089^2 + 27739^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555056009 + ... + 555056012.

Almost surely, 2^2220224042 is an apocalyptic number.

2220224042 is a deficient number, since it is larger than the sum of its proper divisors (1110112024).

2220224042 is a wasteful number, since it uses less digits than its factorization.

2220224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110112023.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2220224042 is about 47119.2534108935. The cubic root of 2220224042 is about 1304.5646325440.

Adding to 2220224042 its reverse (2404220222), we get a palindrome (4624444264).

The spelling of 2220224042 in words is "two billion, two hundred twenty million, two hundred twenty-four thousand, forty-two".