22173037 has 4 divisors (see below), whose sum is σ = 22183936. Its totient is φ = 22162140.

The previous prime is 22173031. The next prime is 22173071. The reversal of 22173037 is 73037122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73037122 = 2 ⋅36518561.

It is a cyclic number.

It is not a de Polignac number, because 22173037 - 2¹¹ = 22170989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22173031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389 + ... + 6802.

It is an arithmetic number, because the mean of its divisors is an integer number (5545984).

Almost surely, 2^22173037 is an apocalyptic number.

It is an amenable number.

22173037 is a deficient number, since it is larger than the sum of its proper divisors (10899).

22173037 is an equidigital number, since it uses as much as digits as its factorization.

22173037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10898.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 22173037 is about 4708.8254374101. The cubic root of 22173037 is about 280.9366464319.

The spelling of 22173037 in words is "twenty-two million, one hundred seventy-three thousand, thirty-seven".