40222506 has 32 divisors (see below), whose sum is σ = 86492160. Its totient is φ = 12429936.

The previous prime is 40222471. The next prime is 40222529. The reversal of 40222506 is 60522204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605 + ... + 9111.

It is an arithmetic number, because the mean of its divisors is an integer number (2702880).

Almost surely, 2^40222506 is an apocalyptic number.

40222506 is an abundant number, since it is smaller than the sum of its proper divisors (46269654).

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

40222506 is a wasteful number, since it uses less digits than its factorization.

40222506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40222506 is about 6342.1215693173. The cubic root of 40222506 is about 342.6281503153.

The spelling of 40222506 in words is "forty million, two hundred twenty-two thousand, five hundred six".