222284533 has 4 divisors (see below), whose sum is σ = 223756768. Its totient is φ = 220812300.

The previous prime is 222284483. The next prime is 222284551. The reversal of 222284533 is 335482222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222284533 is a prime.

It is a super-2 number, since 2×222284533² = 98820827222056178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222284495 and 222284504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222284593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735891 + ... + 736192.

It is an arithmetic number, because the mean of its divisors is an integer number (55939192).

Almost surely, 2^222284533 is an apocalyptic number.

It is an amenable number.

222284533 is a deficient number, since it is larger than the sum of its proper divisors (1472235).

222284533 is a wasteful number, since it uses less digits than its factorization.

222284533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472234.

The product of its digits is 23040, while the sum is 31.

The square root of 222284533 is about 14909.2096705359. The cubic root of 222284533 is about 605.7634720855.

The spelling of 222284533 in words is "two hundred twenty-two million, two hundred eighty-four thousand, five hundred thirty-three".