22069439 has 16 divisors (see below), whose sum is σ = 26078976. Its totient is φ = 18283200.

The previous prime is 22069429. The next prime is 22069457. The reversal of 22069439 is 93496022.

It is a cyclic number.

It is not a de Polignac number, because 22069439 - 2⁸ = 22069183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22069399 and 22069408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22069429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37304 + ... + 37890.

It is an arithmetic number, because the mean of its divisors is an integer number (1629936).

Almost surely, 2^22069439 is an apocalyptic number.

22069439 is a deficient number, since it is larger than the sum of its proper divisors (4009537).

22069439 is a wasteful number, since it uses less digits than its factorization.

22069439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 22069439 is about 4697.8121503525. The cubic root of 22069439 is about 280.4984276991.

The spelling of 22069439 in words is "twenty-two million, sixty-nine thousand, four hundred thirty-nine".