105222388 has 6 divisors (see below), whose sum is σ = 184139186. Its totient is φ = 52611192.

The previous prime is 105222343. The next prime is 105222389. The reversal of 105222388 is 883222501.

It can be written as a sum of positive squares in only one way, i.e., 94711824 + 10510564 = 9732^2 + 3242^2 .

It is a super-2 number, since 2×105222388² = 22143501872845088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105222389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13152795 + ... + 13152802.

Almost surely, 2^105222388 is an apocalyptic number.

It is an amenable number.

105222388 is a deficient number, since it is larger than the sum of its proper divisors (78916798).

105222388 is a wasteful number, since it uses less digits than its factorization.

105222388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26305601 (or 26305599 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 105222388 is about 10257.7964495305. The cubic root of 105222388 is about 472.1022293650.

Adding to 105222388 its reverse (883222501), we get a palindrome (988444889).

The spelling of 105222388 in words is "one hundred five million, two hundred twenty-two thousand, three hundred eighty-eight".