67220485 has 4 divisors (see below), whose sum is σ = 80664588. Its totient is φ = 53776384.

The previous prime is 67220479. The next prime is 67220501. The reversal of 67220485 is 58402276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7219969 + 60000516 = 2687^2 + 7746^2 .

It is a cyclic number.

It is not a de Polignac number, because 67220485 - 2⁷ = 67220357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67220485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6722044 + ... + 6722053.

It is an arithmetic number, because the mean of its divisors is an integer number (20166147).

Almost surely, 2^67220485 is an apocalyptic number.

It is an amenable number.

67220485 is a deficient number, since it is larger than the sum of its proper divisors (13444103).

67220485 is a wasteful number, since it uses less digits than its factorization.

67220485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444102.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 67220485 is about 8198.8099746244. The cubic root of 67220485 is about 406.5998497975.

The spelling of 67220485 in words is "sixty-seven million, two hundred twenty thousand, four hundred eighty-five".