2931225898 has 4 divisors (see below), whose sum is σ = 4396838850. Its totient is φ = 1465612948.

The previous prime is 2931225889. The next prime is 2931225919. The reversal of 2931225898 is 8985221392.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2485720449 + 445505449 = 49857^2 + 21107^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 732806473 + ... + 732806476.

Almost surely, 2^2931225898 is an apocalyptic number.

2931225898 is a deficient number, since it is larger than the sum of its proper divisors (1465612952).

2931225898 is a wasteful number, since it uses less digits than its factorization.

2931225898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465612951.

The product of its digits is 622080, while the sum is 49.

The square root of 2931225898 is about 54140.7969834209. The cubic root of 2931225898 is about 1431.1432164111.

The spelling of 2931225898 in words is "two billion, nine hundred thirty-one million, two hundred twenty-five thousand, eight hundred ninety-eight".