22778040248 has 16 divisors (see below), whose sum is σ = 44565731280. Its totient is φ = 10893845248.

The previous prime is 22778040247. The next prime is 22778040269. The reversal of 22778040248 is 84204087722.

It is a junction number, because it is equal to n+sod(n) for n = 22778040199 and 22778040208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22778040247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61896665 + ... + 61897032.

It is an arithmetic number, because the mean of its divisors is an integer number (2785358205).

Almost surely, 2^22778040248 is an apocalyptic number.

It is an amenable number.

22778040248 is a deficient number, since it is larger than the sum of its proper divisors (21787691032).

22778040248 is a wasteful number, since it uses less digits than its factorization.

22778040248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123793726 (or 123793722 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 44.

The spelling of 22778040248 in words is "twenty-two billion, seven hundred seventy-eight million, forty thousand, two hundred forty-eight".