40222012 has 12 divisors (see below), whose sum is σ = 74093320. Its totient is φ = 19052496.

The previous prime is 40222003. The next prime is 40222033. The reversal of 40222012 is 21022204.

It is a junction number, because it is equal to n+sod(n) for n = 40221983 and 40222001.

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, 264543 + ... + 264694.

Almost surely, 2^40222012 is an apocalyptic number.

It is an amenable number.

40222012 is a deficient number, since it is larger than the sum of its proper divisors (33871308).

40222012 is a wasteful number, since it uses less digits than its factorization.

40222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529260 (or 529258 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40222012 is about 6342.0826232398. The cubic root of 40222012 is about 342.6267476263.

Adding to 40222012 its reverse (21022204), we get a palindrome (61244216).

The spelling of 40222012 in words is "forty million, two hundred twenty-two thousand, twelve".