22057073 has 4 divisors (see below), whose sum is σ = 22367808. Its totient is φ = 21746340.

The previous prime is 22057039. The next prime is 22057093. The reversal of 22057073 is 37075022.

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: 37075022 = 2 ⋅18537511.

It is a cyclic number.

It is not a de Polignac number, because 22057073 - 2⁸ = 22056817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22057033) 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, 155261 + ... + 155402.

It is an arithmetic number, because the mean of its divisors is an integer number (5591952).

Almost surely, 2^22057073 is an apocalyptic number.

It is an amenable number.

22057073 is a deficient number, since it is larger than the sum of its proper divisors (310735).

22057073 is an equidigital number, since it uses as much as digits as its factorization.

22057073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310734.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 22057073 is about 4696.4958213545. The cubic root of 22057073 is about 280.4460280646.

It can be divided in two parts, 2 and 2057073, that multiplied together give a triangular number (4114146 = T₂₈₆₈).

The spelling of 22057073 in words is "twenty-two million, fifty-seven thousand, seventy-three".