22024222 has 16 divisors (see below), whose sum is σ = 36111744. Its totient is φ = 9991000.

The previous prime is 22024199. The next prime is 22024259. The reversal of 22024222 is 22242022.

It is a junction number, because it is equal to n+sod(n) for n = 22024196 and 22024205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20847 + ... + 21877.

It is an arithmetic number, because the mean of its divisors is an integer number (2256984).

Almost surely, 2^22024222 is an apocalyptic number.

22024222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22024222 is a deficient number, since it is larger than the sum of its proper divisors (14087522).

22024222 is a wasteful number, since it uses less digits than its factorization.

22024222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22024222 is about 4692.9971233744. The cubic root of 22024222 is about 280.3067301917.

Adding to 22024222 its reverse (22242022), we get a palindrome (44266244).

It can be divided in two parts, 220 and 24222, that added together give a palindrome (24442).

The spelling of 22024222 in words is "twenty-two million, twenty-four thousand, two hundred twenty-two".