22269389978 has 8 divisors (see below), whose sum is σ = 36440820000. Its totient is φ = 10122449980.

The previous prime is 22269389969. The next prime is 22269389999. The reversal of 22269389978 is 87998396222.

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, 506122478 + ... + 506122521.

It is an arithmetic number, because the mean of its divisors is an integer number (4555102500).

Almost surely, 2^22269389978 is an apocalyptic number.

22269389978 is a deficient number, since it is larger than the sum of its proper divisors (14171430022).

22269389978 is a wasteful number, since it uses less digits than its factorization.

22269389978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012245012.

The product of its digits is 47029248, while the sum is 65.

The spelling of 22269389978 in words is "twenty-two billion, two hundred sixty-nine million, three hundred eighty-nine thousand, nine hundred seventy-eight".