105222030 has 32 divisors (see below), whose sum is σ = 255376800. Its totient is φ = 27743232.

The previous prime is 105222023. The next prime is 105222041. The reversal of 105222030 is 30222501.

It is a super-2 number, since 2×105222030² = 22143351194641800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17035 + ... + 22374.

It is an arithmetic number, because the mean of its divisors is an integer number (7980525).

Almost surely, 2^105222030 is an apocalyptic number.

105222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105222030 is an abundant number, since it is smaller than the sum of its proper divisors (150154770).

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

105222030 is a wasteful number, since it uses less digits than its factorization.

105222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39508.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 105222030 is about 10257.7789993741. The cubic root of 105222030 is about 472.1016939504.

Adding to 105222030 its reverse (30222501), we get a palindrome (135444531).

The spelling of 105222030 in words is "one hundred five million, two hundred twenty-two thousand, thirty".