22146073 has 4 divisors (see below), whose sum is σ = 22197888. Its totient is φ = 22094260.

The previous prime is 22146043. The next prime is 22146101. The reversal of 22146073 is 37064122.

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: 37064122 = 2 ⋅18532061.

It is a cyclic number.

It is not a de Polignac number, because 22146073 - 2⁵ = 22146041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22146023) 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, 25261 + ... + 26122.

It is an arithmetic number, because the mean of its divisors is an integer number (5549472).

Almost surely, 2^22146073 is an apocalyptic number.

It is an amenable number.

22146073 is a deficient number, since it is larger than the sum of its proper divisors (51815).

22146073 is an equidigital number, since it uses as much as digits as its factorization.

22146073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51814.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22146073 is about 4705.9614320562. The cubic root of 22146073 is about 280.8227205488.

The spelling of 22146073 in words is "twenty-two million, one hundred forty-six thousand, seventy-three".