22321230 has 32 divisors (see below), whose sum is σ = 53720064. Its totient is φ = 5935776.

The previous prime is 22321217. The next prime is 22321231. The reversal of 22321230 is 3212322.

It is a super-3 number, since 3×22321230³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13087 + ... + 14693.

It is an arithmetic number, because the mean of its divisors is an integer number (1678752).

Almost surely, 2^22321230 is an apocalyptic number.

22321230 is an abundant number, since it is smaller than the sum of its proper divisors (31398834).

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

22321230 is a wasteful number, since it uses less digits than its factorization.

22321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22321230 is about 4724.5348977439. The cubic root of 22321230 is about 281.5611351833.

Adding to 22321230 its reverse (3212322), we get a palindrome (25533552).

It can be divided in two parts, 2 and 2321230, that added together give a palindrome (2321232).

The spelling of 22321230 in words is "twenty-two million, three hundred twenty-one thousand, two hundred thirty".