22201207 has 4 divisors (see below), whose sum is σ = 25372816. Its totient is φ = 19029600.

The previous prime is 22201199. The next prime is 22201217. The reversal of 22201207 is 70210222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22201207 - 2³ = 22201199 is a prime.

It is a super-5 number, since 5×22201207⁵ (a number of 38 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585794 + ... + 1585807.

It is an arithmetic number, because the mean of its divisors is an integer number (6343204).

Almost surely, 2^22201207 is an apocalyptic number.

22201207 is a deficient number, since it is larger than the sum of its proper divisors (3171609).

22201207 is an equidigital number, since it uses as much as digits as its factorization.

22201207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171608.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 22201207 is about 4711.8156797566. The cubic root of 22201207 is about 281.0555691911.

Adding to 22201207 its reverse (70210222), we get a palindrome (92411429).

The spelling of 22201207 in words is "twenty-two million, two hundred one thousand, two hundred seven".