22155333 has 8 divisors (see below), whose sum is σ = 30559200. Its totient is φ = 14260848.

The previous prime is 22155317. The next prime is 22155361. The reversal of 22155333 is 33355122.

It is a happy number.

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

It is not a de Polignac number, because 22155333 - 2⁴ = 22155317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155373) 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, 127243 + ... + 127416.

It is an arithmetic number, because the mean of its divisors is an integer number (3819900).

Almost surely, 2^22155333 is an apocalyptic number.

It is an amenable number.

22155333 is a deficient number, since it is larger than the sum of its proper divisors (8403867).

22155333 is a wasteful number, since it uses less digits than its factorization.

22155333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254691.

The product of its digits is 2700, while the sum is 24.

The square root of 22155333 is about 4706.9451876987. The cubic root of 22155333 is about 280.8618554937.

The spelling of 22155333 in words is "twenty-two million, one hundred fifty-five thousand, three hundred thirty-three".