67222833445 has 12 divisors (see below), whose sum is σ = 80750793060. Its totient is φ = 53722701824.

The previous prime is 67222833413. The next prime is 67222833449. The reversal of 67222833445 is 54433822276.

It is a happy number.

67222833445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 535968801 + 66686864644 = 23151^2 + 258238^2 .

It is not a de Polignac number, because 67222833445 - 2⁵ = 67222833413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67222833395 and 67222833404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67222833449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21760461 + ... + 21763549.

It is an arithmetic number, because the mean of its divisors is an integer number (6729232755).

Almost surely, 2^67222833445 is an apocalyptic number.

It is an amenable number.

67222833445 is a deficient number, since it is larger than the sum of its proper divisors (13527959615).

67222833445 is an frugal number, since it uses more digits than its factorization.

67222833445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7592 (or 4503 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 46.

The spelling of 67222833445 in words is "sixty-seven billion, two hundred twenty-two million, eight hundred thirty-three thousand, four hundred forty-five".