22169973 has 8 divisors (see below), whose sum is σ = 33782848. Its totient is φ = 12668544.

The previous prime is 22169969. The next prime is 22169977. The reversal of 22169973 is 37996122.

It is an interprime number because it is at equal distance from previous prime (22169969) and next prime (22169977).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22169973 - 2² = 22169969 is a prime.

It is the 4709-th Hogben number.

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 (22169977) by changing a digit.

It is a nontrivial repunit in base 4708.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527836 + ... + 527877.

It is an arithmetic number, because the mean of its divisors is an integer number (4222856).

Almost surely, 2^22169973 is an apocalyptic number.

It is an amenable number.

22169973 is a deficient number, since it is larger than the sum of its proper divisors (11612875).

22169973 is a wasteful number, since it uses less digits than its factorization.

22169973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055723.

The product of its digits is 40824, while the sum is 39.

The square root of 22169973 is about 4708.5000796432. The cubic root of 22169973 is about 280.9237053459.

The spelling of 22169973 in words is "twenty-two million, one hundred sixty-nine thousand, nine hundred seventy-three".