22211007 has 16 divisors (see below), whose sum is σ = 36449280. Its totient is φ = 11715552.

The previous prime is 22211003. The next prime is 22211009. The reversal of 22211007 is 70011222.

It is not a de Polignac number, because 22211007 - 2² = 22211003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40407 + ... + 40952.

It is an arithmetic number, because the mean of its divisors is an integer number (2278080).

Almost surely, 2^22211007 is an apocalyptic number.

22211007 is a deficient number, since it is larger than the sum of its proper divisors (14238273).

22211007 is a wasteful number, since it uses less digits than its factorization.

22211007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81382.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 22211007 is about 4712.8555038320. The cubic root of 22211007 is about 281.0969173846.

Adding to 22211007 its reverse (70011222), we get a palindrome (92222229).

The spelling of 22211007 in words is "twenty-two million, two hundred eleven thousand, seven".