222733397 has 2 divisors, whose sum is σ = 222733398. Its totient is φ = 222733396.

The previous prime is 222733363. The next prime is 222733457. The reversal of 222733397 is 793337222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196252081 + 26481316 = 14009^2 + 5146^2 .

It is a cyclic number.

It is not a de Polignac number, because 222733397 - 2¹⁰ = 222732373 is a prime.

It is a super-2 number, since 2×222733397² = 99220332278319218, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222733397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222733307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111366698 + 111366699.

It is an arithmetic number, because the mean of its divisors is an integer number (111366699).

Almost surely, 2^222733397 is an apocalyptic number.

It is an amenable number.

222733397 is a deficient number, since it is larger than the sum of its proper divisors (1).

222733397 is an equidigital number, since it uses as much as digits as its factorization.

222733397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 38.

The square root of 222733397 is about 14924.2553248060. The cubic root of 222733397 is about 606.1709417297.

The spelling of 222733397 in words is "two hundred twenty-two million, seven hundred thirty-three thousand, three hundred ninety-seven".