22249711 has 4 divisors (see below), whose sum is σ = 24272424. Its totient is φ = 20227000.

The previous prime is 22249709. The next prime is 22249783. The reversal of 22249711 is 11794222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22249711 - 2¹ = 22249709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22249711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22249111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011340 + ... + 1011361.

It is an arithmetic number, because the mean of its divisors is an integer number (6068106).

Almost surely, 2^22249711 is an apocalyptic number.

22249711 is a deficient number, since it is larger than the sum of its proper divisors (2022713).

22249711 is a wasteful number, since it uses less digits than its factorization.

22249711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022712.

The product of its digits is 2016, while the sum is 28.

The square root of 22249711 is about 4716.9599319901. The cubic root of 22249711 is about 281.2600986662.

It can be divided in two parts, 2224 and 9711, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 22249711 in words is "twenty-two million, two hundred forty-nine thousand, seven hundred eleven".