22455505 has 8 divisors (see below), whose sum is σ = 27159552. Its totient is φ = 17822448.

The previous prime is 22455497. The next prime is 22455509. The reversal of 22455505 is 50555422.

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 22455505 - 2³ = 22455497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22455509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17047 + ... + 18316.

It is an arithmetic number, because the mean of its divisors is an integer number (3394944).

Almost surely, 2^22455505 is an apocalyptic number.

It is an amenable number.

22455505 is a deficient number, since it is larger than the sum of its proper divisors (4704047).

22455505 is a wasteful number, since it uses less digits than its factorization.

22455505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35495.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 22455505 is about 4738.7239843654. The cubic root of 22455505 is about 282.1245907555.

It can be divided in two parts, 2245 and 5505, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 22455505 in words is "twenty-two million, four hundred fifty-five thousand, five hundred five".