106722569 has 4 divisors (see below), whose sum is σ = 108184596. Its totient is φ = 105260544.

The previous prime is 106722557. The next prime is 106722593. The reversal of 106722569 is 965227601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 965227601 = 13 ⋅74248277.

It can be written as a sum of positive squares in 2 ways, for example, as 33790969 + 72931600 = 5813^2 + 8540^2 .

It is a cyclic number.

It is not a de Polignac number, because 106722569 - 2¹² = 106718473 is a prime.

It is a super-2 number, since 2×106722569² = 22779413467919522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106722509) 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 3 ways as a sum of consecutive naturals, for example, 730904 + ... + 731049.

It is an arithmetic number, because the mean of its divisors is an integer number (27046149).

Almost surely, 2^106722569 is an apocalyptic number.

It is an amenable number.

106722569 is a deficient number, since it is larger than the sum of its proper divisors (1462027).

106722569 is an equidigital number, since it uses as much as digits as its factorization.

106722569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462026.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 106722569 is about 10330.6615954643. The cubic root of 106722569 is about 474.3352755608.

The spelling of 106722569 in words is "one hundred six million, seven hundred twenty-two thousand, five hundred sixty-nine".