22420204 has 6 divisors (see below), whose sum is σ = 39235364. Its totient is φ = 11210100.

The previous prime is 22420201. The next prime is 22420207. The reversal of 22420204 is 40202422.

It is an interprime number because it is at equal distance from previous prime (22420201) and next prime (22420207).

It is not an unprimeable number, because it can be changed into a prime (22420201) by changing a digit.

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, 2802522 + ... + 2802529.

Almost surely, 2^22420204 is an apocalyptic number.

It is an amenable number.

22420204 is a deficient number, since it is larger than the sum of its proper divisors (16815160).

22420204 is a wasteful number, since it uses less digits than its factorization.

22420204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605055 (or 5605053 counting only the distinct ones).

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

The square root of 22420204 is about 4734.9977824704. The cubic root of 22420204 is about 281.9766759711.

Adding to 22420204 its reverse (40202422), we get a palindrome (62622626).

The spelling of 22420204 in words is "twenty-two million, four hundred twenty thousand, two hundred four".