1222355533 has 8 divisors (see below), whose sum is σ = 1398293120. Its totient is φ = 1046746800.

The previous prime is 1222355531. The next prime is 1222355549. The reversal of 1222355533 is 3355532221.

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 1222355533 - 2¹ = 1222355531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222355495 and 1222355504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222355531) 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, 74193 + ... + 89158.

It is an arithmetic number, because the mean of its divisors is an integer number (174786640).

Almost surely, 2^1222355533 is an apocalyptic number.

It is an amenable number.

1222355533 is a deficient number, since it is larger than the sum of its proper divisors (175937587).

1222355533 is a wasteful number, since it uses less digits than its factorization.

1222355533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164427.

The product of its digits is 27000, while the sum is 31.

The square root of 1222355533 is about 34962.2014896087. The cubic root of 1222355533 is about 1069.2169812123.

Adding to 1222355533 its reverse (3355532221), we get a palindrome (4577887754).

The spelling of 1222355533 in words is "one billion, two hundred twenty-two million, three hundred fifty-five thousand, five hundred thirty-three".