22173693 has 12 divisors (see below), whose sum is σ = 30391200. Its totient is φ = 14380272.

The previous prime is 22173667. The next prime is 22173721. The reversal of 22173693 is 39637122.

It is a happy number.

It is not a de Polignac number, because 22173693 - 2¹⁰ = 22172669 is a prime.

It is a super-2 number, since 2×22173693² = 983345322516498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22173623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1408 + ... + 6806.

It is an arithmetic number, because the mean of its divisors is an integer number (2532600).

Almost surely, 2^22173693 is an apocalyptic number.

It is an amenable number.

22173693 is a deficient number, since it is larger than the sum of its proper divisors (8217507).

22173693 is an equidigital number, since it uses as much as digits as its factorization.

22173693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476 (or 5439 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 22173693 is about 4708.8950933313. The cubic root of 22173693 is about 280.9394169533.

The spelling of 22173693 in words is "twenty-two million, one hundred seventy-three thousand, six hundred ninety-three".