22801104 has 30 divisors (see below), whose sum is σ = 63811826. Its totient is φ = 7600320.

The previous prime is 22801099. The next prime is 22801109. The reversal of 22801104 is 40110822.

It is an interprime number because it is at equal distance from previous prime (22801099) and next prime (22801109).

It can be written as a sum of positive squares in only one way, i.e., 21902400 + 898704 = 4680^2 + 948^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22801109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79027 + ... + 79314.

Almost surely, 2^22801104 is an apocalyptic number.

22801104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22801104 is an abundant number, since it is smaller than the sum of its proper divisors (41010722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22801104 is a wasteful number, since it uses less digits than its factorization.

22801104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158355 (or 158346 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 22801104 is about 4775.0501568046. The cubic root of 22801104 is about 283.5645644874.

Adding to 22801104 its reverse (40110822), we get a palindrome (62911926).

The spelling of 22801104 in words is "twenty-two million, eight hundred one thousand, one hundred four".