22235553 has 20 divisors (see below), whose sum is σ = 33392128. Its totient is φ = 14745240.

The previous prime is 22235533. The next prime is 22235561. The reversal of 22235553 is 35553222.

It is not a de Polignac number, because 22235553 - 2⁹ = 22235041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22235513) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 17448 + ... + 18678.

Almost surely, 2^22235553 is an apocalyptic number.

It is an amenable number.

22235553 is a deficient number, since it is larger than the sum of its proper divisors (11156575).

22235553 is a wasteful number, since it uses less digits than its factorization.

22235553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1457 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 22235553 is about 4715.4589384279. The cubic root of 22235553 is about 281.2004285967.

Adding to 22235553 its reverse (35553222), we get a palindrome (57788775).

It can be divided in two parts, 2223 and 5553, that added together give a 5-th power (7776 = 6⁵).

The spelling of 22235553 in words is "twenty-two million, two hundred thirty-five thousand, five hundred fifty-three".