22221104 has 10 divisors (see below), whose sum is σ = 43053420. Its totient is φ = 11110544.

The previous prime is 22221097. The next prime is 22221109. The reversal of 22221104 is 40112222.

It is not an unprimeable number, because it can be changed into a prime (22221109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694394 + ... + 694425.

It is an arithmetic number, because the mean of its divisors is an integer number (4305342).

Almost surely, 2^22221104 is an apocalyptic number.

It is an amenable number.

22221104 is a deficient number, since it is larger than the sum of its proper divisors (20832316).

22221104 is a wasteful number, since it uses less digits than its factorization.

22221104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388827 (or 1388821 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22221104 is about 4713.9266010408. The cubic root of 22221104 is about 281.1395059624.

Adding to 22221104 its reverse (40112222), we get a palindrome (62333326).

The spelling of 22221104 in words is "twenty-two million, two hundred twenty-one thousand, one hundred four".