22779511248 has 40 divisors (see below), whose sum is σ = 63373770208. Its totient is φ = 7009080192.

The previous prime is 22779511229. The next prime is 22779511273. The reversal of 22779511248 is 84211597722.

It is a super-2 number, since 2×22779511248² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 22779511197 and 22779511206.

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, 18252190 + ... + 18253437.

Almost surely, 2^22779511248 is an apocalyptic number.

It is an amenable number.

22779511248 is an abundant number, since it is smaller than the sum of its proper divisors (40594258960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22779511248 is a wasteful number, since it uses less digits than its factorization.

22779511248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36505651 (or 36505645 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The spelling of 22779511248 in words is "twenty-two billion, seven hundred seventy-nine million, five hundred eleven thousand, two hundred forty-eight".