22484197 has 4 divisors (see below), whose sum is σ = 23091916. Its totient is φ = 21876480.

The previous prime is 22484191. The next prime is 22484213. The reversal of 22484197 is 79148422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79148422 = 2 ⋅39574211.

It can be written as a sum of positive squares in 2 ways, for example, as 20848356 + 1635841 = 4566^2 + 1279^2 .

It is a cyclic number.

It is not a de Polignac number, because 22484197 - 2⁷ = 22484069 is a prime.

It is a super-2 number, since 2×22484197² = 1011078229469618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 607681 = 22484197 / (2 + 2 + 4 + 8 + 4 + 1 + 9 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22484191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303804 + ... + 303877.

It is an arithmetic number, because the mean of its divisors is an integer number (5772979).

Almost surely, 2^22484197 is an apocalyptic number.

It is an amenable number.

22484197 is a deficient number, since it is larger than the sum of its proper divisors (607719).

22484197 is an equidigital number, since it uses as much as digits as its factorization.

22484197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607718.

The product of its digits is 32256, while the sum is 37.

The square root of 22484197 is about 4741.7504151948. The cubic root of 22484197 is about 282.2446989961.

The spelling of 22484197 in words is "twenty-two million, four hundred eighty-four thousand, one hundred ninety-seven".