2198552045 has 8 divisors (see below), whose sum is σ = 2665461624. Its totient is φ = 1740708864.

The previous prime is 2198552039. The next prime is 2198552051. The reversal of 2198552045 is 5402558912.

It is an interprime number because it is at equal distance from previous prime (2198552039) and next prime (2198552051).

It can be written as a sum of positive squares in 4 ways, for example, as 235530409 + 1963021636 = 15347^2 + 44306^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2198552045 - 2⁴ = 2198552029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2198551993 and 2198552011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2266064 + ... + 2267033.

It is an arithmetic number, because the mean of its divisors is an integer number (333182703).

Almost surely, 2^2198552045 is an apocalyptic number.

It is an amenable number.

2198552045 is a deficient number, since it is larger than the sum of its proper divisors (466909579).

2198552045 is an equidigital number, since it uses as much as digits as its factorization.

2198552045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533199.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 2198552045 is about 46888.7198055140. The cubic root of 2198552045 is about 1300.3060512167.

The spelling of 2198552045 in words is "two billion, one hundred ninety-eight million, five hundred fifty-two thousand, forty-five".