2243409975 has 36 divisors (see below), whose sum is σ = 4111660696. Its totient is φ = 1168655040.

The previous prime is 2243409967. The next prime is 2243409979. The reversal of 2243409975 is 5799043422.

It is not a de Polignac number, because 2243409975 - 2³ = 2243409967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 2243409975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243409979) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 106264 + ... + 125613.

Almost surely, 2^2243409975 is an apocalyptic number.

2243409975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2243409975 is a deficient number, since it is larger than the sum of its proper divisors (1868250721).

2243409975 is a wasteful number, since it uses less digits than its factorization.

2243409975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231936 (or 231928 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 2243409975 is about 47364.6490011274. The cubic root of 2243409975 is about 1309.0901311614.

The spelling of 2243409975 in words is "two billion, two hundred forty-three million, four hundred nine thousand, nine hundred seventy-five".