22208473 has 16 divisors (see below), whose sum is σ = 27445120. Its totient is φ = 17542656.

The previous prime is 22208449. The next prime is 22208479. The reversal of 22208473 is 37480222.

It is a cyclic number.

It is not a de Polignac number, because 22208473 - 2¹³ = 22200281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22208479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2665 + ... + 7177.

It is an arithmetic number, because the mean of its divisors is an integer number (1715320).

Almost surely, 2^22208473 is an apocalyptic number.

It is an amenable number.

22208473 is a deficient number, since it is larger than the sum of its proper divisors (5236647).

22208473 is a wasteful number, since it uses less digits than its factorization.

22208473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 22208473 is about 4712.5866570282. The cubic root of 22208473 is about 281.0862270892.

Adding to 22208473 its reverse (37480222), we get a palindrome (59688695).

The spelling of 22208473 in words is "twenty-two million, two hundred eight thousand, four hundred seventy-three".