2272878413 has 4 divisors (see below), whose sum is σ = 2447715228. Its totient is φ = 2098041600.

The previous prime is 2272878409. The next prime is 2272878437. The reversal of 2272878413 is 3148782722.

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 1008507049 + 1264371364 = 31757^2 + 35558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272878413 - 2² = 2272878409 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 (2272878463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87418388 + ... + 87418413.

It is an arithmetic number, because the mean of its divisors is an integer number (611928807).

Almost surely, 2^2272878413 is an apocalyptic number.

It is an amenable number.

2272878413 is a deficient number, since it is larger than the sum of its proper divisors (174836815).

2272878413 is a wasteful number, since it uses less digits than its factorization.

2272878413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174836814.

The product of its digits is 301056, while the sum is 44.

The square root of 2272878413 is about 47674.7146084798. The cubic root of 2272878413 is about 1314.7970912952.

The spelling of 2272878413 in words is "two billion, two hundred seventy-two million, eight hundred seventy-eight thousand, four hundred thirteen".