40569222 has 8 divisors (see below), whose sum is σ = 81138456. Its totient is φ = 13523072.

The previous prime is 40569211. The next prime is 40569223. The reversal of 40569222 is 22296504.

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

40569222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 40569222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40569223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3380763 + ... + 3380774.

It is an arithmetic number, because the mean of its divisors is an integer number (10142307).

Almost surely, 2^40569222 is an apocalyptic number.

40569222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40569222 is a wasteful number, since it uses less digits than its factorization.

40569222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6761542.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40569222 is about 6369.3973027281. The cubic root of 40569222 is about 343.6098142652.

The spelling of 40569222 in words is "forty million, five hundred sixty-nine thousand, two hundred twenty-two".