22700473 has 4 divisors (see below), whose sum is σ = 22845220. Its totient is φ = 22555728.

The previous prime is 22700443. The next prime is 22700519. The reversal of 22700473 is 37400722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4959529 + 17740944 = 2227^2 + 4212^2 .

It is a cyclic number.

It is not a de Polignac number, because 22700473 - 2⁵ = 22700441 is a prime.

It is a super-2 number, since 2×22700473² = 1030622948847458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22700443) 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, 72138 + ... + 72451.

It is an arithmetic number, because the mean of its divisors is an integer number (5711305).

Almost surely, 2^22700473 is an apocalyptic number.

It is an amenable number.

22700473 is a deficient number, since it is larger than the sum of its proper divisors (144747).

22700473 is a wasteful number, since it uses less digits than its factorization.

22700473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144746.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 22700473 is about 4764.5013380206. The cubic root of 22700473 is about 283.1467854691.

The spelling of 22700473 in words is "twenty-two million, seven hundred thousand, four hundred seventy-three".