42672226 has 8 divisors (see below), whose sum is σ = 65569644. Its totient is φ = 20815680.

The previous prime is 42672221. The next prime is 42672241. The reversal of 42672226 is 62227624.

It can be written as a sum of positive squares in 2 ways, for example, as 37810201 + 4862025 = 6149^2 + 2205^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42672221) 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, 260115 + ... + 260278.

Almost surely, 2^42672226 is an apocalyptic number.

42672226 is a deficient number, since it is larger than the sum of its proper divisors (22897418).

42672226 is a wasteful number, since it uses less digits than its factorization.

42672226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520436.

The product of its digits is 16128, while the sum is 31.

The square root of 42672226 is about 6532.3981813726. The cubic root of 42672226 is about 349.4473618760.

The spelling of 42672226 in words is "forty-two million, six hundred seventy-two thousand, two hundred twenty-six".