106220615 has 8 divisors (see below), whose sum is σ = 129260448. Its totient is φ = 83779360.

The previous prime is 106220579. The next prime is 106220617. The reversal of 106220615 is 516022601.

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

It is not a de Polignac number, because 106220615 - 2¹² = 106216519 is a prime.

It is a super-3 number, since 3×106220615³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106220617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149252 + ... + 149961.

It is an arithmetic number, because the mean of its divisors is an integer number (16157556).

Almost surely, 2^106220615 is an apocalyptic number.

106220615 is a deficient number, since it is larger than the sum of its proper divisors (23039833).

106220615 is an equidigital number, since it uses as much as digits as its factorization.

106220615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299289.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 106220615 is about 10306.3385836096. The cubic root of 106220615 is about 473.5904510735.

The spelling of 106220615 in words is "one hundred six million, two hundred twenty thousand, six hundred fifteen".