1220422333 has 8 divisors (see below), whose sum is σ = 1391613048. Its totient is φ = 1060276224.

The previous prime is 1220422327. The next prime is 1220422349. The reversal of 1220422333 is 3332240221.

It can be written as a sum of positive squares in 4 ways, for example, as 158835609 + 1061586724 = 12603^2 + 32582^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220422333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220422033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760916 + ... + 2761357.

It is an arithmetic number, because the mean of its divisors is an integer number (173951631).

Almost surely, 2^1220422333 is an apocalyptic number.

1220422333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1220422333 is a deficient number, since it is larger than the sum of its proper divisors (171190715).

1220422333 is a wasteful number, since it uses less digits than its factorization.

1220422333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522303.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1220422333 is about 34934.5435493295. The cubic root of 1220422333 is about 1068.6530152044.

Adding to 1220422333 its reverse (3332240221), we get a palindrome (4552662554).

The spelling of 1220422333 in words is "one billion, two hundred twenty million, four hundred twenty-two thousand, three hundred thirty-three".