22039047 has 40 divisors (see below), whose sum is σ = 34755072. Its totient is φ = 13899600.

The previous prime is 22039019. The next prime is 22039049. The reversal of 22039047 is 74093022.

It is not a de Polignac number, because 22039047 - 2¹¹ = 22036999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22039047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22039049) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 168172 + ... + 168302.

Almost surely, 2^22039047 is an apocalyptic number.

22039047 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22039047 is a deficient number, since it is larger than the sum of its proper divisors (12716025).

22039047 is a wasteful number, since it uses less digits than its factorization.

22039047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 22039047 is about 4694.5763387126. The cubic root of 22039047 is about 280.3696096769.

The spelling of 22039047 in words is "twenty-two million, thirty-nine thousand, forty-seven".