22100770 has 8 divisors (see below), whose sum is σ = 39781404. Its totient is φ = 8840304.

The previous prime is 22100761. The next prime is 22100779. The reversal of 22100770 is 7700122.

It is an interprime number because it is at equal distance from previous prime (22100761) and next prime (22100779).

It can be written as a sum of positive squares in 2 ways, for example, as 22099401 + 1369 = 4701^2 + 37^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22100779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105029 + ... + 1105048.

Almost surely, 2^22100770 is an apocalyptic number.

22100770 is a deficient number, since it is larger than the sum of its proper divisors (17680634).

22100770 is a wasteful number, since it uses less digits than its factorization.

22100770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210084.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 22100770 is about 4701.1456050627. The cubic root of 22100770 is about 280.6311019783.

Adding to 22100770 its reverse (7700122), we get a palindrome (29800892).

The spelling of 22100770 in words is "twenty-two million, one hundred thousand, seven hundred seventy".