22230270 has 48 divisors (see below), whose sum is σ = 58247280. Its totient is φ = 5882112.

The previous prime is 22230251. The next prime is 22230281. The reversal of 22230270 is 7203222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11622 + ... + 13398.

It is an arithmetic number, because the mean of its divisors is an integer number (1213485).

Almost surely, 2^22230270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22230270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29123640).

22230270 is an abundant number, since it is smaller than the sum of its proper divisors (36017010).

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

22230270 is a wasteful number, since it uses less digits than its factorization.

22230270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 22230270 is about 4714.8987263779. The cubic root of 22230270 is about 281.1781564644.

Adding to 22230270 its reverse (7203222), we get a palindrome (29433492).

It can be divided in two parts, 22230 and 270, that added together give a square (22500 = 150²).

The spelling of 22230270 in words is "twenty-two million, two hundred thirty thousand, two hundred seventy".