2261862406 has 4 divisors (see below), whose sum is σ = 3392793612. Its totient is φ = 1130931202.

The previous prime is 2261862403. The next prime is 2261862433. The reversal of 2261862406 is 6042681622.

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

It is a super-2 number, since 2×2261862406² = 10232043087352217672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261862401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565465600 + ... + 565465603.

It is an arithmetic number, because the mean of its divisors is an integer number (848198403).

Almost surely, 2^2261862406 is an apocalyptic number.

2261862406 is a deficient number, since it is larger than the sum of its proper divisors (1130931206).

2261862406 is a wasteful number, since it uses less digits than its factorization.

2261862406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130931205.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2261862406 is about 47559.0412645167. The cubic root of 2261862406 is about 1312.6694988474.

The spelling of 2261862406 in words is "two billion, two hundred sixty-one million, eight hundred sixty-two thousand, four hundred six".