22553455 has 8 divisors (see below), whose sum is σ = 28240992. Its totient is φ = 17258208.

The previous prime is 22553449. The next prime is 22553483. The reversal of 22553455 is 55435522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22553455 - 2¹⁷ = 22422383 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 97944 + ... + 98173.

It is an arithmetic number, because the mean of its divisors is an integer number (3530124).

Almost surely, 2^22553455 is an apocalyptic number.

22553455 is a deficient number, since it is larger than the sum of its proper divisors (5687537).

22553455 is a wasteful number, since it uses less digits than its factorization.

22553455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196145.

The product of its digits is 30000, while the sum is 31.

The square root of 22553455 is about 4749.0477992962. The cubic root of 22553455 is about 282.5342010959.

Adding to 22553455 its reverse (55435522), we get a palindrome (77988977).

The spelling of 22553455 in words is "twenty-two million, five hundred fifty-three thousand, four hundred fifty-five".