22621107 has 4 divisors (see below), whose sum is σ = 30161480. Its totient is φ = 15080736.

The previous prime is 22621091. The next prime is 22621117. The reversal of 22621107 is 70112622.

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

It is not a de Polignac number, because 22621107 - 2⁴ = 22621091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22621117) 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, 3770182 + ... + 3770187.

It is an arithmetic number, because the mean of its divisors is an integer number (7540370).

Almost surely, 2^22621107 is an apocalyptic number.

22621107 is a deficient number, since it is larger than the sum of its proper divisors (7540373).

22621107 is an equidigital number, since it uses as much as digits as its factorization.

22621107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540372.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 22621107 is about 4756.1651569305. The cubic root of 22621107 is about 282.8164183721.

Adding to 22621107 its reverse (70112622), we get a palindrome (92733729).

The spelling of 22621107 in words is "twenty-two million, six hundred twenty-one thousand, one hundred seven".