22077173 has 4 divisors (see below), whose sum is σ = 22121568. Its totient is φ = 22032780.

The previous prime is 22077163. The next prime is 22077193. The reversal of 22077173 is 37177022.

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 an emirpimes, since its reverse is a distinct semiprime: 37177022 = 2 ⋅18588511.

It is a cyclic number.

It is not a de Polignac number, because 22077173 - 2⁶ = 22077109 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 (22077163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21443 + ... + 22448.

It is an arithmetic number, because the mean of its divisors is an integer number (5530392).

Almost surely, 2^22077173 is an apocalyptic number.

It is an amenable number.

22077173 is a deficient number, since it is larger than the sum of its proper divisors (44395).

22077173 is an equidigital number, since it uses as much as digits as its factorization.

22077173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44394.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 22077173 is about 4698.6352273825. The cubic root of 22077173 is about 280.5311897685.

The spelling of 22077173 in words is "twenty-two million, seventy-seven thousand, one hundred seventy-three".