2238278052 has 96 divisors (see below), whose sum is σ = 5590126080. Its totient is φ = 695036160.

The previous prime is 2238278047. The next prime is 2238278057. The reversal of 2238278052 is 2508728322.

It is an interprime number because it is at equal distance from previous prime (2238278047) and next prime (2238278057).

It is a self number, because there is not a number n which added to its sum of digits gives 2238278052.

It is not an unprimeable number, because it can be changed into a prime (2238278057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4091643 + ... + 4092189.

It is an arithmetic number, because the mean of its divisors is an integer number (58230480).

Almost surely, 2^2238278052 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 2238278052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2795063040).

2238278052 is an abundant number, since it is smaller than the sum of its proper divisors (3351848028).

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

2238278052 is a wasteful number, since it uses less digits than its factorization.

2238278052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 2238278052 is about 47310.4433714164. The cubic root of 2238278052 is about 1308.0911639552.

The spelling of 2238278052 in words is "two billion, two hundred thirty-eight million, two hundred seventy-eight thousand, fifty-two".