22106224 has 40 divisors (see below), whose sum is σ = 50536448. Its totient is φ = 9167040.

The previous prime is 22106221. The next prime is 22106233. The reversal of 22106224 is 42260122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22106221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289 + ... + 6655.

Almost surely, 2^22106224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22106224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25268224).

22106224 is an abundant number, since it is smaller than the sum of its proper divisors (28430224).

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

22106224 is a wasteful number, since it uses less digits than its factorization.

22106224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413 (or 6407 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22106224 is about 4701.7256406558. The cubic root of 22106224 is about 280.6541846754.

Adding to 22106224 its reverse (42260122), we get a palindrome (64366346).

It can be divided in two parts, 2210622 and 4, that multiplied together give a palindrome (8842488).

The spelling of 22106224 in words is "twenty-two million, one hundred six thousand, two hundred twenty-four".