105021622 has 4 divisors (see below), whose sum is σ = 157532436. Its totient is φ = 52510810.

The previous prime is 105021613. The next prime is 105021647. The reversal of 105021622 is 226120501.

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

It is a super-2 number, since 2×105021622² = 22059082175021768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105021622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26255404 + ... + 26255407.

It is an arithmetic number, because the mean of its divisors is an integer number (39383109).

Almost surely, 2^105021622 is an apocalyptic number.

105021622 is a deficient number, since it is larger than the sum of its proper divisors (52510814).

105021622 is an equidigital number, since it uses as much as digits as its factorization.

105021622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52510813.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 105021622 is about 10248.0057572193. The cubic root of 105021622 is about 471.8017786597.

The spelling of 105021622 in words is "one hundred five million, twenty-one thousand, six hundred twenty-two".