22109073 has 8 divisors (see below), whose sum is σ = 33690048. Its totient is φ = 12633744.

The previous prime is 22109069. The next prime is 22109077. The reversal of 22109073 is 37090122.

It is an interprime number because it is at equal distance from previous prime (22109069) and next prime (22109077).

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

It is not a de Polignac number, because 22109073 - 2² = 22109069 is a prime.

It is a super-2 number, since 2×22109073² = 977622217838658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22109077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526386 + ... + 526427.

It is an arithmetic number, because the mean of its divisors is an integer number (4211256).

Almost surely, 2^22109073 is an apocalyptic number.

It is an amenable number.

22109073 is a deficient number, since it is larger than the sum of its proper divisors (11580975).

22109073 is a wasteful number, since it uses less digits than its factorization.

22109073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052823.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 22109073 is about 4702.0286047620. The cubic root of 22109073 is about 280.6662408491. Note that the first 3 decimals are identical.

Adding to 22109073 its reverse (37090122), we get a palindrome (59199195).

The spelling of 22109073 in words is "twenty-two million, one hundred nine thousand, seventy-three".