22225370 has 8 divisors (see below), whose sum is σ = 40005684. Its totient is φ = 8890144.

The previous prime is 22225369. The next prime is 22225387. The reversal of 22225370 is 7352222.

It can be written as a sum of positive squares in 2 ways, for example, as 18395521 + 3829849 = 4289^2 + 1957^2 .

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

It is a Curzon 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, 1111259 + ... + 1111278.

Almost surely, 2^22225370 is an apocalyptic number.

22225370 is a deficient number, since it is larger than the sum of its proper divisors (17780314).

22225370 is a wasteful number, since it uses less digits than its factorization.

22225370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222544.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22225370 is about 4714.3790683398. The cubic root of 22225370 is about 281.1574958335.

Adding to 22225370 its reverse (7352222), we get a palindrome (29577592).

The spelling of 22225370 in words is "twenty-two million, two hundred twenty-five thousand, three hundred seventy".