22533449 has 8 divisors (see below), whose sum is σ = 25115040. Its totient is φ = 20091456.

The previous prime is 22533437. The next prime is 22533473. The reversal of 22533449 is 94433522.

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 22533449 - 2⁸ = 22533193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22533499) 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, 34559 + ... + 35204.

It is an arithmetic number, because the mean of its divisors is an integer number (3139380).

Almost surely, 2^22533449 is an apocalyptic number.

It is an amenable number.

22533449 is a deficient number, since it is larger than the sum of its proper divisors (2581591).

22533449 is a wasteful number, since it uses less digits than its factorization.

22533449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69799.

The product of its digits is 25920, while the sum is 32.

The square root of 22533449 is about 4746.9410150117. The cubic root of 22533449 is about 282.4506359043.

The spelling of 22533449 in words is "twenty-two million, five hundred thirty-three thousand, four hundred forty-nine".