22402202 has 4 divisors (see below), whose sum is σ = 33603306. Its totient is φ = 11201100.

The previous prime is 22402169. The next prime is 22402217. The reversal of 22402202 is 20220422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21058921 + 1343281 = 4589^2 + 1159^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600549 + ... + 5600552.

Almost surely, 2^22402202 is an apocalyptic number.

22402202 is a deficient number, since it is larger than the sum of its proper divisors (11201104).

22402202 is a wasteful number, since it uses less digits than its factorization.

22402202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201103.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22402202 is about 4733.0964494715. The cubic root of 22402202 is about 281.9011859751.

Adding to 22402202 its reverse (20220422), we get a palindrome (42622624).

The spelling of 22402202 in words is "twenty-two million, four hundred two thousand, two hundred two".