40222684891 has 4 divisors (see below), whose sum is σ = 40223132784. Its totient is φ = 40222237000.

The previous prime is 40222684883. The next prime is 40222684939. The reversal of 40222684891 is 19848622204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40222684891 - 2³ = 40222684883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40222684841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37495 + ... + 286096.

It is an arithmetic number, because the mean of its divisors is an integer number (10055783196).

Almost surely, 2^40222684891 is an apocalyptic number.

40222684891 is a deficient number, since it is larger than the sum of its proper divisors (447893).

40222684891 is a wasteful number, since it uses less digits than its factorization.

40222684891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447892.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 40222684891 in words is "forty billion, two hundred twenty-two million, six hundred eighty-four thousand, eight hundred ninety-one".