22220600 has 24 divisors (see below), whose sum is σ = 51663360. Its totient is φ = 8888160.

The previous prime is 22220537. The next prime is 22220603. The reversal of 22220600 is 602222.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55352 + ... + 55751.

It is an arithmetic number, because the mean of its divisors is an integer number (2152640).

Almost surely, 2^22220600 is an apocalyptic number.

22220600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220600 is an abundant number, since it is smaller than the sum of its proper divisors (29442760).

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

22220600 is a wasteful number, since it uses less digits than its factorization.

22220600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111119 (or 111110 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22220600 is about 4713.8731421200. The cubic root of 22220600 is about 281.1373804247.

Adding to 22220600 its reverse (602222), we get a palindrome (22822822).

The spelling of 22220600 in words is "twenty-two million, two hundred twenty thousand, six hundred".