22124470 has 8 divisors (see below), whose sum is σ = 39824064. Its totient is φ = 8849784.

The previous prime is 22124467. The next prime is 22124507. The reversal of 22124470 is 7442122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106214 + ... + 1106233.

It is an arithmetic number, because the mean of its divisors is an integer number (4978008).

Almost surely, 2^22124470 is an apocalyptic number.

22124470 is a deficient number, since it is larger than the sum of its proper divisors (17699594).

22124470 is a wasteful number, since it uses less digits than its factorization.

22124470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212454.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 22124470 is about 4703.6655918549. The cubic root of 22124470 is about 280.7313787427.

Adding to 22124470 its reverse (7442122), we get a palindrome (29566592).

The spelling of 22124470 in words is "twenty-two million, one hundred twenty-four thousand, four hundred seventy".