2261598270 has 16 divisors (see below), whose sum is σ = 5427835920. Its totient is φ = 603092864.

The previous prime is 2261598221. The next prime is 2261598271. The reversal of 2261598270 is 728951622.

It is a super-2 number, since 2×2261598270² = 10229653469733985800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261598271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37693275 + ... + 37693334.

It is an arithmetic number, because the mean of its divisors is an integer number (339239745).

Almost surely, 2^2261598270 is an apocalyptic number.

2261598270 is an abundant number, since it is smaller than the sum of its proper divisors (3166237650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2261598270 is a wasteful number, since it uses less digits than its factorization.

2261598270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75386619.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 2261598270 is about 47556.2642561419. The cubic root of 2261598270 is about 1312.6183998404.

The spelling of 2261598270 in words is "two billion, two hundred sixty-one million, five hundred ninety-eight thousand, two hundred seventy".