2230042442 has 4 divisors (see below), whose sum is σ = 3345063666. Its totient is φ = 1115021220.

The previous prime is 2230042433. The next prime is 2230042447. The reversal of 2230042442 is 2442400322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2442400322 = 2 ⋅1221200161.

It can be written as a sum of positive squares in only one way, i.e., 1753013161 + 477029281 = 41869^2 + 21841^2 .

It is not an unprimeable number, because it can be changed into a prime (2230042447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557510609 + ... + 557510612.

Almost surely, 2^2230042442 is an apocalyptic number.

2230042442 is a deficient number, since it is larger than the sum of its proper divisors (1115021224).

2230042442 is a wasteful number, since it uses less digits than its factorization.

2230042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115021223.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2230042442 is about 47223.3251899948. The cubic root of 2230042442 is about 1306.4848445321.

Adding to 2230042442 its reverse (2442400322), we get a palindrome (4672442764).

The spelling of 2230042442 in words is "two billion, two hundred thirty million, forty-two thousand, four hundred forty-two".