67223242 has 4 divisors (see below), whose sum is σ = 100834866. Its totient is φ = 33611620.

The previous prime is 67223209. The next prime is 67223257. The reversal of 67223242 is 24232276.

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., 41100921 + 26122321 = 6411^2 + 5111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67223242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16805809 + ... + 16805812.

Almost surely, 2^67223242 is an apocalyptic number.

67223242 is a deficient number, since it is larger than the sum of its proper divisors (33611624).

67223242 is a wasteful number, since it uses less digits than its factorization.

67223242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33611623.

The product of its digits is 8064, while the sum is 28.

The square root of 67223242 is about 8198.9781070570. The cubic root of 67223242 is about 406.6054085220.

The spelling of 67223242 in words is "sixty-seven million, two hundred twenty-three thousand, two hundred forty-two".