105215422 has 32 divisors (see below), whose sum is σ = 179625600. Its totient is φ = 45873408.

The previous prime is 105215419. The next prime is 105215477. The reversal of 105215422 is 224512501.

It is a super-2 number, since 2×105215422² = 22140570053276168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105215393 and 105215402.

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, 33954 + ... + 36922.

It is an arithmetic number, because the mean of its divisors is an integer number (5613300).

Almost surely, 2^105215422 is an apocalyptic number.

105215422 is a deficient number, since it is larger than the sum of its proper divisors (74410178).

105215422 is a wasteful number, since it uses less digits than its factorization.

105215422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 105215422 is about 10257.4568973016. The cubic root of 105215422 is about 472.0918109969.

Adding to 105215422 its reverse (224512501), we get a palindrome (329727923).

The spelling of 105215422 in words is "one hundred five million, two hundred fifteen thousand, four hundred twenty-two".