22220100105 has 32 divisors (see below), whose sum is σ = 40865935104. Its totient is φ = 10099036416.

The previous prime is 22220100083. The next prime is 22220100137. The reversal of 22220100105 is 50100102222.

It is not a de Polignac number, because 22220100105 - 2⁹ = 22220099593 is a prime.

It is a super-2 number, since 2×22220100105² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593454 + ... + 629783.

It is an arithmetic number, because the mean of its divisors is an integer number (1277060472).

Almost surely, 2^22220100105 is an apocalyptic number.

It is an amenable number.

22220100105 is a deficient number, since it is larger than the sum of its proper divisors (18645834999).

22220100105 is a wasteful number, since it uses less digits than its factorization.

22220100105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223425.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 22220100105 its reverse (50100102222), we get a palindrome (72320202327).

The spelling of 22220100105 in words is "twenty-two billion, two hundred twenty million, one hundred thousand, one hundred five".