2638228362 has 64 divisors (see below), whose sum is σ = 6586334208. Its totient is φ = 684432000.

The previous prime is 2638228349. The next prime is 2638228391.

2638228362 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2638228362² = 13920497780122406088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445662 + ... + 451542.

It is an arithmetic number, because the mean of its divisors is an integer number (102911472).

Almost surely, 2^2638228362 is an apocalyptic number.

2638228362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2638228362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293167104).

2638228362 is an abundant number, since it is smaller than the sum of its proper divisors (3948105846).

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

2638228362 is a wasteful number, since it uses less digits than its factorization.

2638228362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875.

The product of its digits is 331776, while the sum is 42.

The square root of 2638228362 is about 51363.6871924125. The cubic root of 2638228362 is about 1381.7754160018.

The spelling of 2638228362 in words is "two billion, six hundred thirty-eight million, two hundred twenty-eight thousand, three hundred sixty-two".