67222897 has 4 divisors (see below), whose sum is σ = 76826176. Its totient is φ = 57619620.

The previous prime is 67222891. The next prime is 67222919. The reversal of 67222897 is 79822276.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67222897 - 2¹¹ = 67220849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67222891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4801629 + ... + 4801642.

It is an arithmetic number, because the mean of its divisors is an integer number (19206544).

Almost surely, 2^67222897 is an apocalyptic number.

It is an amenable number.

67222897 is a deficient number, since it is larger than the sum of its proper divisors (9603279).

67222897 is an equidigital number, since it uses as much as digits as its factorization.

67222897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603278.

The product of its digits is 169344, while the sum is 43.

The square root of 67222897 is about 8198.9570678227. The cubic root of 67222897 is about 406.6047129336.

The spelling of 67222897 in words is "sixty-seven million, two hundred twenty-two thousand, eight hundred ninety-seven".