22779848 has 96 divisors (see below), whose sum is σ = 55339200. Its totient is φ = 8596224.

The previous prime is 22779839. The next prime is 22779851. The reversal of 22779848 is 84897722.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274415 + ... + 274497.

It is an arithmetic number, because the mean of its divisors is an integer number (576450).

Almost surely, 2^22779848 is an apocalyptic number.

22779848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22779848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27669600).

22779848 is an abundant number, since it is smaller than the sum of its proper divisors (32559352).

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

22779848 is a wasteful number, since it uses less digits than its factorization.

22779848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 134 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 22779848 is about 4772.8239020521. The cubic root of 22779848 is about 283.4764207677.

The spelling of 22779848 in words is "twenty-two million, seven hundred seventy-nine thousand, eight hundred forty-eight".