22040711 has 8 divisors (see below), whose sum is σ = 27479424. Its totient is φ = 17174520.

The previous prime is 22040699. The next prime is 22040713. The reversal of 22040711 is 11704022.

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

It is a de Polignac number, because none of the positive numbers 2^k-22040711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22040711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143045 + ... + 143198.

It is an arithmetic number, because the mean of its divisors is an integer number (3434928).

Almost surely, 2^22040711 is an apocalyptic number.

22040711 is a deficient number, since it is larger than the sum of its proper divisors (5438713).

22040711 is a wasteful number, since it uses less digits than its factorization.

22040711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286261.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 22040711 is about 4694.7535611574. The cubic root of 22040711 is about 280.3766656881.

Adding to 22040711 its reverse (11704022), we get a palindrome (33744733).

The spelling of 22040711 in words is "twenty-two million, forty thousand, seven hundred eleven".