105990622 has 8 divisors (see below), whose sum is σ = 159053472. Its totient is φ = 52972800.

The previous prime is 105990559. The next prime is 105990623. The reversal of 105990622 is 226099501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105990622² = 22468023903893768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105990623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4579 + ... + 15262.

It is an arithmetic number, because the mean of its divisors is an integer number (19881684).

Almost surely, 2^105990622 is an apocalyptic number.

105990622 is a deficient number, since it is larger than the sum of its proper divisors (53062850).

105990622 is a wasteful number, since it uses less digits than its factorization.

105990622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22514.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 105990622 is about 10295.1746949724. The cubic root of 105990622 is about 473.2483919302.

The spelling of 105990622 in words is "one hundred five million, nine hundred ninety thousand, six hundred twenty-two".