2221004242 has 8 divisors (see below), whose sum is σ = 3348768636. Its totient is φ = 1104748032.

The previous prime is 2221004209. The next prime is 2221004249. The reversal of 2221004242 is 2424001222.

It can be written as a sum of positive squares in 2 ways, for example, as 1889727841 + 331276401 = 43471^2 + 18201^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2221004249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2876563 + ... + 2877334.

Almost surely, 2^2221004242 is an apocalyptic number.

2221004242 is a deficient number, since it is larger than the sum of its proper divisors (1127764394).

2221004242 is a wasteful number, since it uses less digits than its factorization.

2221004242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754092.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2221004242 is about 47127.5316773539. The cubic root of 2221004242 is about 1304.7174252513.

Adding to 2221004242 its reverse (2424001222), we get a palindrome (4645005464).

The spelling of 2221004242 in words is "two billion, two hundred twenty-one million, four thousand, two hundred forty-two".