22230402 has 8 divisors (see below), whose sum is σ = 44460816. Its totient is φ = 7410132.

The previous prime is 22230391. The next prime is 22230421. The reversal of 22230402 is 20403222.

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

22230402 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852528 + ... + 1852539.

It is an arithmetic number, because the mean of its divisors is an integer number (5557602).

Almost surely, 2^22230402 is an apocalyptic number.

22230402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22230402 is a wasteful number, since it uses less digits than its factorization.

22230402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705072.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22230402 is about 4714.9127245369. The cubic root of 22230402 is about 281.1787129945.

Adding to 22230402 its reverse (20403222), we get a palindrome (42633624).

The spelling of 22230402 in words is "twenty-two million, two hundred thirty thousand, four hundred two".