2290173481 has 4 divisors (see below), whose sum is σ = 2303411652. Its totient is φ = 2276935312.

The previous prime is 2290173469. The next prime is 2290173491. The reversal of 2290173481 is 1843710922.

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 2198109456 + 92064025 = 46884^2 + 9595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2290173481 is a prime.

It is a super-2 number, since 2×2290173481² = 10489789146151314722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2290173481.

It is not an unprimeable number, because it can be changed into a prime (2290173401) 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, 6618826 + ... + 6619171.

It is an arithmetic number, because the mean of its divisors is an integer number (575852913).

Almost surely, 2^2290173481 is an apocalyptic number.

It is an amenable number.

2290173481 is a deficient number, since it is larger than the sum of its proper divisors (13238171).

2290173481 is a wasteful number, since it uses less digits than its factorization.

2290173481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13238170.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2290173481 is about 47855.7570308944. The cubic root of 2290173481 is about 1318.1235737189.

The spelling of 2290173481 in words is "two billion, two hundred ninety million, one hundred seventy-three thousand, four hundred eighty-one".