22001007 has 8 divisors (see below), whose sum is σ = 33525376. Its totient is φ = 12571992.

The previous prime is 22000963. The next prime is 22001033. The reversal of 22001007 is 70010022.

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

It is not a de Polignac number, because 22001007 - 2¹⁵ = 21968239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22000983 and 22001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523813 + ... + 523854.

It is an arithmetic number, because the mean of its divisors is an integer number (4190672).

Almost surely, 2^22001007 is an apocalyptic number.

22001007 is a deficient number, since it is larger than the sum of its proper divisors (11524369).

22001007 is a wasteful number, since it uses less digits than its factorization.

22001007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047677.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 22001007 is about 4690.5231051558. The cubic root of 22001007 is about 280.2082082330.

Adding to 22001007 its reverse (70010022), we get a palindrome (92011029).

The spelling of 22001007 in words is "twenty-two million, one thousand, seven".