105515422 has 4 divisors (see below), whose sum is σ = 158273136. Its totient is φ = 52757710.

The previous prime is 105515411. The next prime is 105515429. The reversal of 105515422 is 224515501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×105515422² = 22267008559676168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105515429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26378854 + ... + 26378857.

It is an arithmetic number, because the mean of its divisors is an integer number (39568284).

Almost surely, 2^105515422 is an apocalyptic number.

105515422 is a deficient number, since it is larger than the sum of its proper divisors (52757714).

105515422 is an equidigital number, since it uses as much as digits as its factorization.

105515422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52757713.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 105515422 is about 10272.0699958674. The cubic root of 105515422 is about 472.5400759192.

The spelling of 105515422 in words is "one hundred five million, five hundred fifteen thousand, four hundred twenty-two".