42011226 has 12 divisors (see below), whose sum is σ = 91024362. Its totient is φ = 14003736.

The previous prime is 42011213. The next prime is 42011251. The reversal of 42011226 is 62211024.

It can be written as a sum of positive squares in only one way, i.e., 38007225 + 4004001 = 6165^2 + 2001^2 .

It is a super-2 number, since 2×42011226² = 3529886220046152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2333957 = 42011226 / (4 + 2 + 0 + 1 + 1 + 2 + 2 + 6).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42011199 and 42011208.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1166961 + ... + 1166996.

Almost surely, 2^42011226 is an apocalyptic number.

42011226 is an abundant number, since it is smaller than the sum of its proper divisors (49013136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42011226 is a wasteful number, since it uses less digits than its factorization.

42011226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333965 (or 2333962 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 42011226 is about 6481.6067452446. The cubic root of 42011226 is about 347.6336314720.

The spelling of 42011226 in words is "forty-two million, eleven thousand, two hundred twenty-six".