2261213562 has 16 divisors (see below), whose sum is σ = 4547694240. Its totient is φ = 749526672.

The previous prime is 2261213557. The next prime is 2261213573. The reversal of 2261213562 is 2653121622.

2261213562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2261213562² = 10226173545945455688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051633 + ... + 1053780.

It is an arithmetic number, because the mean of its divisors is an integer number (284230890).

Almost surely, 2^2261213562 is an apocalyptic number.

2261213562 is an abundant number, since it is smaller than the sum of its proper divisors (2286480678).

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

2261213562 is a wasteful number, since it uses less digits than its factorization.

2261213562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105597.

The product of its digits is 8640, while the sum is 30.

The square root of 2261213562 is about 47552.2193172937. The cubic root of 2261213562 is about 1312.5439681960.

The spelling of 2261213562 in words is "two billion, two hundred sixty-one million, two hundred thirteen thousand, five hundred sixty-two".