22124215 has 8 divisors (see below), whose sum is σ = 27196848. Its totient is φ = 17267520.

The previous prime is 22124209. The next prime is 22124251. The reversal of 22124215 is 51242122.

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

It is not a de Polignac number, because 22124215 - 2¹³ = 22116023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22124192 and 22124201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53757 + ... + 54166.

It is an arithmetic number, because the mean of its divisors is an integer number (3399606).

Almost surely, 2^22124215 is an apocalyptic number.

22124215 is a deficient number, since it is larger than the sum of its proper divisors (5072633).

22124215 is a wasteful number, since it uses less digits than its factorization.

22124215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107969.

The product of its digits is 320, while the sum is 19.

The square root of 22124215 is about 4703.6384852580. The cubic root of 22124215 is about 280.7303001967.

Adding to 22124215 its reverse (51242122), we get a palindrome (73366337).

The spelling of 22124215 in words is "twenty-two million, one hundred twenty-four thousand, two hundred fifteen".