22227205 has 32 divisors (see below), whose sum is σ = 35820288. Its totient is φ = 12787200.

The previous prime is 22227187. The next prime is 22227209. The reversal of 22227205 is 50272222.

It is a happy number.

It is not a de Polignac number, because 22227205 - 2¹³ = 22219013 is a prime.

It is a super-2 number, since 2×22227205² = 988097284224050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22227209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2785 + ... + 7225.

It is an arithmetic number, because the mean of its divisors is an integer number (1119384).

Almost surely, 2^22227205 is an apocalyptic number.

It is an amenable number.

22227205 is a deficient number, since it is larger than the sum of its proper divisors (13593083).

22227205 is a wasteful number, since it uses less digits than its factorization.

22227205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22227205 is about 4714.5736816811. The cubic root of 22227205 is about 281.1652333846.

Adding to 22227205 its reverse (50272222), we get a palindrome (72499427).

The spelling of 22227205 in words is "twenty-two million, two hundred twenty-seven thousand, two hundred five".