22053500666 has 4 divisors (see below), whose sum is σ = 33080251002. Its totient is φ = 11026750332.

The previous prime is 22053500639. The next prime is 22053500717. The reversal of 22053500666 is 66600535022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18462015625 + 3591485041 = 135875^2 + 59929^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5513375165 + ... + 5513375168.

Almost surely, 2^22053500666 is an apocalyptic number.

22053500666 is a deficient number, since it is larger than the sum of its proper divisors (11026750336).

22053500666 is a wasteful number, since it uses less digits than its factorization.

22053500666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026750335.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 22053500666 in words is "twenty-two billion, fifty-three million, five hundred thousand, six hundred sixty-six".