22201204 has 6 divisors (see below), whose sum is σ = 38852114. Its totient is φ = 11100600.

The previous prime is 22201199. The next prime is 22201217. The reversal of 22201204 is 40210222.

It can be written as a sum of positive squares in only one way, i.e., 11573604 + 10627600 = 3402^2 + 3260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775147 + ... + 2775154.

Almost surely, 2^22201204 is an apocalyptic number.

It is an amenable number.

22201204 is a deficient number, since it is larger than the sum of its proper divisors (16650910).

22201204 is a wasteful number, since it uses less digits than its factorization.

22201204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550305 (or 5550303 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22201204 is about 4711.8153614080. The cubic root of 22201204 is about 281.0555565316.

Adding to 22201204 its reverse (40210222), we get a palindrome (62411426).

The spelling of 22201204 in words is "twenty-two million, two hundred one thousand, two hundred four".