22012849 has 8 divisors (see below), whose sum is σ = 23402880. Its totient is φ = 20646000.

The previous prime is 22012831. The next prime is 22012853. The reversal of 22012849 is 94821022.

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

It is a cyclic number.

It is not a de Polignac number, because 22012849 - 2⁹ = 22012337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012819) 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, 3817 + ... + 7654.

It is an arithmetic number, because the mean of its divisors is an integer number (2925360).

Almost surely, 2^22012849 is an apocalyptic number.

It is an amenable number.

22012849 is a deficient number, since it is larger than the sum of its proper divisors (1390031).

22012849 is a wasteful number, since it uses less digits than its factorization.

22012849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 22012849 is about 4691.7852678911. The cubic root of 22012849 is about 280.2584730601.

It can be divided in two parts, 2201 and 2849, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 22012849 in words is "twenty-two million, twelve thousand, eight hundred forty-nine".