22047029 has 4 divisors (see below), whose sum is σ = 22253184. Its totient is φ = 21840876.

The previous prime is 22047023. The next prime is 22047037. The reversal of 22047029 is 92074022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92074022 = 2 ⋅46037011.

It is a cyclic number.

It is not a de Polignac number, because 22047029 - 2⁴ = 22047013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22046989 and 22047007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22047023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 102917 + ... + 103130.

It is an arithmetic number, because the mean of its divisors is an integer number (5563296).

Almost surely, 2^22047029 is an apocalyptic number.

It is an amenable number.

22047029 is a deficient number, since it is larger than the sum of its proper divisors (206155).

22047029 is a wasteful number, since it uses less digits than its factorization.

22047029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206154.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22047029 is about 4695.4263917135. The cubic root of 22047029 is about 280.4034532471.

The spelling of 22047029 in words is "twenty-two million, forty-seven thousand, twenty-nine".