2022091493 has 4 divisors (see below), whose sum is σ = 2022227820. Its totient is φ = 2021955168.

The previous prime is 2022091451. The next prime is 2022091559. The reversal of 2022091493 is 3941902202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 793098244 + 1228993249 = 28162^2 + 35057^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022091493 - 2⁶ = 2022091429 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 (2022091793) 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, 42758 + ... + 76631.

It is an arithmetic number, because the mean of its divisors is an integer number (505556955).

Almost surely, 2^2022091493 is an apocalyptic number.

It is an amenable number.

2022091493 is a deficient number, since it is larger than the sum of its proper divisors (136327).

2022091493 is a wasteful number, since it uses less digits than its factorization.

2022091493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136326.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2022091493 is about 44967.6716430815. The cubic root of 2022091493 is about 1264.5429966623.

Adding to 2022091493 its reverse (3941902202), we get a palindrome (5963993695).

The spelling of 2022091493 in words is "two billion, twenty-two million, ninety-one thousand, four hundred ninety-three".