22553404 has 6 divisors (see below), whose sum is σ = 39468464. Its totient is φ = 11276700.

The previous prime is 22553393. The next prime is 22553413. The reversal of 22553404 is 40435522.

It is a super-3 number, since 3×22553404³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819172 + ... + 2819179.

Almost surely, 2^22553404 is an apocalyptic number.

It is an amenable number.

22553404 is a deficient number, since it is larger than the sum of its proper divisors (16915060).

22553404 is a wasteful number, since it uses less digits than its factorization.

22553404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638355 (or 5638353 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 22553404 is about 4749.0424297957. The cubic root of 22553404 is about 282.5339881314.

Adding to 22553404 its reverse (40435522), we get a palindrome (62988926).

The spelling of 22553404 in words is "twenty-two million, five hundred fifty-three thousand, four hundred four".