40194822 has 32 divisors (see below), whose sum is σ = 82136448. Its totient is φ = 13110336.

The previous prime is 40194799. The next prime is 40194857. The reversal of 40194822 is 22849104.

It is a super-2 number, since 2×40194822² = 3231247431223368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40194822.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 71113 + ... + 71675.

It is an arithmetic number, because the mean of its divisors is an integer number (2566764).

Almost surely, 2^40194822 is an apocalyptic number.

40194822 is an abundant number, since it is smaller than the sum of its proper divisors (41941626).

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

40194822 is a wasteful number, since it uses less digits than its factorization.

40194822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40194822 is about 6339.9386432362. The cubic root of 40194822 is about 342.5495252233.

The spelling of 40194822 in words is "forty million, one hundred ninety-four thousand, eight hundred twenty-two".