22155004066 has 8 divisors (see below), whose sum is σ = 35788852764. Its totient is φ = 10225386480.

The previous prime is 22155004049. The next prime is 22155004103. The reversal of 22155004066 is 66040055122.

It can be written as a sum of positive squares in 2 ways, for example, as 21932129025 + 222875041 = 148095^2 + 14929^2 .

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, 426057745 + ... + 426057796.

Almost surely, 2^22155004066 is an apocalyptic number.

22155004066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22155004066 is a deficient number, since it is larger than the sum of its proper divisors (13633848698).

22155004066 is a wasteful number, since it uses less digits than its factorization.

22155004066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852115556.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 22155004066 its reverse (66040055122), we get a palindrome (88195059188).

The spelling of 22155004066 in words is "twenty-two billion, one hundred fifty-five million, four thousand, sixty-six".