22780442835 has 20 divisors (see below), whose sum is σ = 40836053808. Its totient is φ = 12149569296.

The previous prime is 22780442827. The next prime is 22780442869. The reversal of 22780442835 is 53824408722.

It is not a de Polignac number, because 22780442835 - 2³ = 22780442827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28123599 + ... + 28124408.

Almost surely, 2^22780442835 is an apocalyptic number.

22780442835 is a deficient number, since it is larger than the sum of its proper divisors (18055610973).

22780442835 is an equidigital number, since it uses as much as digits as its factorization.

22780442835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56248024 (or 56248015 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 22780442835 in words is "twenty-two billion, seven hundred eighty million, four hundred forty-two thousand, eight hundred thirty-five".