2256022548 has 72 divisors (see below), whose sum is σ = 6173462568. Its totient is φ = 690536448.

The previous prime is 2256022547. The next prime is 2256022579. The reversal of 2256022548 is 8452206522.

2256022548 is a `hidden beast` number, since 2 + 2 + 5 + 602 + 2 + 5 + 48 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 153066384 + 2102956164 = 12372^2 + 45858^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256022541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77836 + ... + 102812.

Almost surely, 2^2256022548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2256022548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3086731284).

2256022548 is an abundant number, since it is smaller than the sum of its proper divisors (3917440020).

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

2256022548 is a wasteful number, since it uses less digits than its factorization.

2256022548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25193 (or 25188 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 2256022548 is about 47497.6057080775. The cubic root of 2256022548 is about 1311.5388066754.

It can be divided in two parts, 225602 and 2548, that added together give a triangular number (228150 = T₆₇₅).

The spelling of 2256022548 in words is "two billion, two hundred fifty-six million, twenty-two thousand, five hundred forty-eight".