22780669645 has 8 divisors (see below), whose sum is σ = 27972543456. Its totient is φ = 17800709136.

The previous prime is 22780669607. The next prime is 22780669651. The reversal of 22780669645 is 54696608722.

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

It is a cyclic number.

It is not a de Polignac number, because 22780669645 - 2²⁵ = 22747115213 is a prime.

It is a super-3 number, since 3×22780669645³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52978087 + ... + 52978516.

It is an arithmetic number, because the mean of its divisors is an integer number (3496567932).

Almost surely, 2^22780669645 is an apocalyptic number.

It is an amenable number.

22780669645 is a deficient number, since it is larger than the sum of its proper divisors (5191873811).

22780669645 is a wasteful number, since it uses less digits than its factorization.

22780669645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105956651.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 22780669645 in words is "twenty-two billion, seven hundred eighty million, six hundred sixty-nine thousand, six hundred forty-five".