22444442002 has 8 divisors (see below), whose sum is σ = 33852667212. Its totient is φ = 11160219600.

The previous prime is 22444441997. The next prime is 22444442021. The reversal of 22444442002 is 20024444422.

It can be written as a sum of positive squares in 2 ways, for example, as 21382920441 + 1061521561 = 146229^2 + 32581^2 .

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

It is a super-2 number, since 2×22444442002² (a number of 22 digits) contains 22 as substring.

22444442002 is a modest number, since divided by 442002 gives 22444 as remainder.

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, 31000249 + ... + 31000972.

Almost surely, 2^22444442002 is an apocalyptic number.

22444442002 is a deficient number, since it is larger than the sum of its proper divisors (11408225210).

22444442002 is a wasteful number, since it uses less digits than its factorization.

22444442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62001404.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22444442002 its reverse (20024444422), we get a palindrome (42468886424).

The spelling of 22444442002 in words is "twenty-two billion, four hundred forty-four million, four hundred forty-two thousand, two".