40321226 has 16 divisors (see below), whose sum is σ = 66093408. Its totient is φ = 18296400.

The previous prime is 40321219. The next prime is 40321241. The reversal of 40321226 is 62212304.

It is a super-2 number, since 2×40321226² = 3251602532286152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40321198 and 40321207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15821 + ... + 18191.

It is an arithmetic number, because the mean of its divisors is an integer number (4130838).

Almost surely, 2^40321226 is an apocalyptic number.

40321226 is a deficient number, since it is larger than the sum of its proper divisors (25772182).

40321226 is a wasteful number, since it uses less digits than its factorization.

40321226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40321226 is about 6349.8996842470. The cubic root of 40321226 is about 342.9082307966.

The spelling of 40321226 in words is "forty million, three hundred twenty-one thousand, two hundred twenty-six".