2221023242 has 8 divisors (see below), whose sum is σ = 3527507556. Its totient is φ = 1045187392.

The previous prime is 2221023227. The next prime is 2221023251. The reversal of 2221023242 is 2423201222.

It can be written as a sum of positive squares in 2 ways, for example, as 2211726841 + 9296401 = 47029^2 + 3049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32662073 + ... + 32662140.

Almost surely, 2^2221023242 is an apocalyptic number.

2221023242 is a deficient number, since it is larger than the sum of its proper divisors (1306484314).

2221023242 is a wasteful number, since it uses less digits than its factorization.

2221023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65324232.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2221023242 is about 47127.7332576053. The cubic root of 2221023242 is about 1304.7211457245.

Adding to 2221023242 its reverse (2423201222), we get a palindrome (4644224464).

The spelling of 2221023242 in words is "two billion, two hundred twenty-one million, twenty-three thousand, two hundred forty-two".