2213230042 has 4 divisors (see below), whose sum is σ = 3319845066. Its totient is φ = 1106615020.

The previous prime is 2213230037. The next prime is 2213230043. The reversal of 2213230042 is 2400323122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2400323122 = 2 ⋅1200161561.

It can be written as a sum of positive squares in only one way, i.e., 1889553961 + 323676081 = 43469^2 + 17991^2 .

It is a super-2 number, since 2×2213230042² = 9796774437622643528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2213230043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553307509 + ... + 553307512.

Almost surely, 2^2213230042 is an apocalyptic number.

2213230042 is a deficient number, since it is larger than the sum of its proper divisors (1106615024).

2213230042 is a wasteful number, since it uses less digits than its factorization.

2213230042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106615023.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2213230042 is about 47044.9789244293. The cubic root of 2213230042 is about 1303.1933411181.

Adding to 2213230042 its reverse (2400323122), we get a palindrome (4613553164).

The spelling of 2213230042 in words is "two billion, two hundred thirteen million, two hundred thirty thousand, forty-two".