22023693 has 6 divisors (see below), whose sum is σ = 31812014. Its totient is φ = 14682456.

The previous prime is 22023691. The next prime is 22023713. The reversal of 22023693 is 39632022.

It can be written as a sum of positive squares in only one way, i.e., 15069924 + 6953769 = 3882^2 + 2637^2 .

It is not a de Polignac number, because 22023693 - 2¹ = 22023691 is a prime.

It is a super-4 number, since 4×22023693⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223530 + ... + 1223547.

Almost surely, 2^22023693 is an apocalyptic number.

It is an amenable number.

22023693 is a deficient number, since it is larger than the sum of its proper divisors (9788321).

22023693 is a wasteful number, since it uses less digits than its factorization.

22023693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447083 (or 2447080 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 22023693 is about 4692.9407624644. The cubic root of 22023693 is about 280.3044859437.

The spelling of 22023693 in words is "twenty-two million, twenty-three thousand, six hundred ninety-three".