22104137 has 4 divisors (see below), whose sum is σ = 24113616. Its totient is φ = 20094660.

The previous prime is 22104113. The next prime is 22104151. The reversal of 22104137 is 73140122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22104137 - 2⁶ = 22104073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22104337) 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, 1004723 + ... + 1004744.

It is an arithmetic number, because the mean of its divisors is an integer number (6028404).

Almost surely, 2^22104137 is an apocalyptic number.

It is an amenable number.

22104137 is a deficient number, since it is larger than the sum of its proper divisors (2009479).

22104137 is a wasteful number, since it uses less digits than its factorization.

22104137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009478.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 22104137 is about 4701.5036956276. The cubic root of 22104137 is about 280.6453524160.

Adding to 22104137 its reverse (73140122), we get a palindrome (95244259).

The spelling of 22104137 in words is "twenty-two million, one hundred four thousand, one hundred thirty-seven".