2269491806 has 8 divisors (see below), whose sum is σ = 3604487040. Its totient is φ = 1067996128.

The previous prime is 2269491793. The next prime is 2269491821. The reversal of 2269491806 is 6081949622.

2269491806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2269491806³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33374846 + ... + 33374913.

It is an arithmetic number, because the mean of its divisors is an integer number (450560880).

Almost surely, 2^2269491806 is an apocalyptic number.

2269491806 is a deficient number, since it is larger than the sum of its proper divisors (1334995234).

2269491806 is a wasteful number, since it uses less digits than its factorization.

2269491806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66749778.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 2269491806 is about 47639.1835152535. The cubic root of 2269491806 is about 1314.1437473005.

The spelling of 2269491806 in words is "two billion, two hundred sixty-nine million, four hundred ninety-one thousand, eight hundred six".