22173682 has 4 divisors (see below), whose sum is σ = 33260526. Its totient is φ = 11086840.

The previous prime is 22173667. The next prime is 22173721. The reversal of 22173682 is 28637122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28637122 = 2 ⋅14318561.

It can be written as a sum of positive squares in only one way, i.e., 18567481 + 3606201 = 4309^2 + 1899^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5543419 + ... + 5543422.

Almost surely, 2^22173682 is an apocalyptic number.

22173682 is a deficient number, since it is larger than the sum of its proper divisors (11086844).

22173682 is a wasteful number, since it uses less digits than its factorization.

22173682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11086843.

The product of its digits is 8064, while the sum is 31.

The square root of 22173682 is about 4708.8939253290. The cubic root of 22173682 is about 280.9393704969.

The spelling of 22173682 in words is "twenty-two million, one hundred seventy-three thousand, six hundred eighty-two".