2731226404 has 12 divisors (see below), whose sum is σ = 4787447644. Its totient is φ = 1363384224.

The previous prime is 2731226401. The next prime is 2731226423. The reversal of 2731226404 is 4046221372.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81036004 + 2650190400 = 9002^2 + 51480^2 .

It is not an unprimeable number, because it can be changed into a prime (2731226401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554487 + ... + 559390.

Almost surely, 2^2731226404 is an apocalyptic number.

It is an amenable number.

2731226404 is a deficient number, since it is larger than the sum of its proper divisors (2056221240).

2731226404 is a wasteful number, since it uses less digits than its factorization.

2731226404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114494 (or 1114492 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 2731226404 is about 52261.1366504786. The cubic root of 2731226404 is about 1397.8242401002.

Adding to 2731226404 its reverse (4046221372), we get a palindrome (6777447776).

The spelling of 2731226404 in words is "two billion, seven hundred thirty-one million, two hundred twenty-six thousand, four hundred four".