22259233 has 6 divisors (see below), whose sum is σ = 22573734. Its totient is φ = 21949056.

The previous prime is 22259219. The next prime is 22259243. The reversal of 22259233 is 33295222.

It can be written as a sum of positive squares in 3 ways, for example, as 9535744 + 12723489 = 3088^2 + 3567^2 .

It is not a de Polignac number, because 22259233 - 2¹³ = 22251041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22259213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3241 + ... + 7417.

It is an arithmetic number, because the mean of its divisors is an integer number (3762289).

Almost surely, 2^22259233 is an apocalyptic number.

It is an amenable number.

22259233 is a deficient number, since it is larger than the sum of its proper divisors (314501).

22259233 is an frugal number, since it uses more digits than its factorization.

22259233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323 (or 4250 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 22259233 is about 4717.9691605605. The cubic root of 22259233 is about 281.3002156922.

The spelling of 22259233 in words is "twenty-two million, two hundred fifty-nine thousand, two hundred thirty-three".