2241974545 has 4 divisors (see below), whose sum is σ = 2690369460. Its totient is φ = 1793579632.

The previous prime is 2241974509. The next prime is 2241974563. The reversal of 2241974545 is 5454791422.

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 347897104 + 1894077441 = 18652^2 + 43521^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241974545 - 2²⁵ = 2208420113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224197450 + ... + 224197459.

It is an arithmetic number, because the mean of its divisors is an integer number (672592365).

Almost surely, 2^2241974545 is an apocalyptic number.

It is an amenable number.

2241974545 is a deficient number, since it is larger than the sum of its proper divisors (448394915).

2241974545 is an equidigital number, since it uses as much as digits as its factorization.

2241974545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448394914.

The product of its digits is 403200, while the sum is 43.

The square root of 2241974545 is about 47349.4936086966. The cubic root of 2241974545 is about 1308.8108675719.

The spelling of 2241974545 in words is "two billion, two hundred forty-one million, nine hundred seventy-four thousand, five hundred forty-five".