1822045097 has 4 divisors (see below), whose sum is σ = 1847707776. Its totient is φ = 1796382420.

The previous prime is 1822045079. The next prime is 1822045103. The reversal of 1822045097 is 7905402281.

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: 7905402281 = 7 ⋅1129343183.

It is a cyclic number.

It is not a de Polignac number, because 1822045097 - 2⁸ = 1822044841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1822045097.

It is not an unprimeable number, because it can be changed into a prime (1822045697) 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, 12831233 + ... + 12831374.

It is an arithmetic number, because the mean of its divisors is an integer number (461926944).

Almost surely, 2^1822045097 is an apocalyptic number.

It is an amenable number.

1822045097 is a deficient number, since it is larger than the sum of its proper divisors (25662679).

1822045097 is an equidigital number, since it uses as much as digits as its factorization.

1822045097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25662678.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1822045097 is about 42685.4201923795. The cubic root of 1822045097 is about 1221.3862896514.

The spelling of 1822045097 in words is "one billion, eight hundred twenty-two million, forty-five thousand, ninety-seven".