67225993522 has 4 divisors (see below), whose sum is σ = 100838990286. Its totient is φ = 33612996760.

The previous prime is 67225993517. The next prime is 67225993531. The reversal of 67225993522 is 22539952276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35769778641 + 31456214881 = 189129^2 + 177359^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67225993522.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16806498379 + ... + 16806498382.

Almost surely, 2^67225993522 is an apocalyptic number.

67225993522 is a deficient number, since it is larger than the sum of its proper divisors (33612996764).

67225993522 is a wasteful number, since it uses less digits than its factorization.

67225993522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33612996763.

The product of its digits is 4082400, while the sum is 52.

The spelling of 67225993522 in words is "sixty-seven billion, two hundred twenty-five million, nine hundred ninety-three thousand, five hundred twenty-two".