2208461481 has 12 divisors (see below), whose sum is σ = 3233699508. Its totient is φ = 1452138624.

The previous prime is 2208461477. The next prime is 2208461501. The reversal of 2208461481 is 1841648022.

It can be written as a sum of positive squares in 2 ways, for example, as 649791081 + 1558670400 = 25491^2 + 39480^2 .

It is not a de Polignac number, because 2208461481 - 2² = 2208461477 is a prime.

It is a super-2 number, since 2×2208461481² = 9754604226121426722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2208461441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1680060 + ... + 1681373.

It is an arithmetic number, because the mean of its divisors is an integer number (269474959).

Almost surely, 2^2208461481 is an apocalyptic number.

It is an amenable number.

2208461481 is a deficient number, since it is larger than the sum of its proper divisors (1025238027).

2208461481 is a wasteful number, since it uses less digits than its factorization.

2208461481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361512 (or 3361509 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 2208461481 is about 46994.2707252703. The cubic root of 2208461481 is about 1302.2567273207.

The spelling of 2208461481 in words is "two billion, two hundred eight million, four hundred sixty-one thousand, four hundred eighty-one".