2278957431 has 8 divisors (see below), whose sum is σ = 3143389680. Its totient is φ = 1466915072.

The previous prime is 2278957411. The next prime is 2278957453. The reversal of 2278957431 is 1347598722.

It is a happy number.

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 2278957431 - 2¹⁷ = 2278826359 is a prime.

It is a super-2 number, since 2×2278957431² = 10387293944620239522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278957411) by changing a digit.

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, 13097370 + ... + 13097543.

It is an arithmetic number, because the mean of its divisors is an integer number (392923710).

Almost surely, 2^2278957431 is an apocalyptic number.

2278957431 is a deficient number, since it is larger than the sum of its proper divisors (864432249).

2278957431 is a wasteful number, since it uses less digits than its factorization.

2278957431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26194945.

The product of its digits is 846720, while the sum is 48.

The square root of 2278957431 is about 47738.4271944521. The cubic root of 2278957431 is about 1315.9682288856.

The spelling of 2278957431 in words is "two billion, two hundred seventy-eight million, nine hundred fifty-seven thousand, four hundred thirty-one".