22033505 has 16 divisors (see below), whose sum is σ = 28946064. Its totient is φ = 16001280.

The previous prime is 22033489. The next prime is 22033511. The reversal of 22033505 is 50533022.

It can be written as a sum of positive squares in 8 ways, for example, as 1882384 + 20151121 = 1372^2 + 4489^2 .

It is not a de Polignac number, because 22033505 - 2⁴ = 22033489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187 + ... + 6743.

It is an arithmetic number, because the mean of its divisors is an integer number (1809129).

Almost surely, 2^22033505 is an apocalyptic number.

It is an amenable number.

22033505 is a deficient number, since it is larger than the sum of its proper divisors (6912559).

22033505 is a wasteful number, since it uses less digits than its factorization.

22033505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 22033505 is about 4693.9860459955. The cubic root of 22033505 is about 280.3461068664.

Adding to 22033505 its reverse (50533022), we get a palindrome (72566527).

The spelling of 22033505 in words is "twenty-two million, thirty-three thousand, five hundred five".