22242230 has 16 divisors (see below), whose sum is σ = 40240800. Its totient is φ = 8851392.

The previous prime is 22242211. The next prime is 22242251. The reversal of 22242230 is 3224222.

It is a junction number, because it is equal to n+sod(n) for n = 22242199 and 22242208.

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, 3599 + ... + 7578.

It is an arithmetic number, because the mean of its divisors is an integer number (2515050).

Almost surely, 2^22242230 is an apocalyptic number.

22242230 is a deficient number, since it is larger than the sum of its proper divisors (17998570).

22242230 is a wasteful number, since it uses less digits than its factorization.

22242230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22242230 is about 4716.1668757583. The cubic root of 22242230 is about 281.2285725239.

Adding to 22242230 its reverse (3224222), we get a palindrome (25466452).

The spelling of 22242230 in words is "twenty-two million, two hundred forty-two thousand, two hundred thirty".