2227939851 has 8 divisors (see below), whose sum is σ = 2983673664. Its totient is φ = 1478749640.

The previous prime is 2227939841. The next prime is 2227939859. The reversal of 2227939851 is 1589397222.

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

It is a cyclic number.

It is not a de Polignac number, because 2227939851 - 2⁶ = 2227939787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2227939851.

It is not an unprimeable number, because it can be changed into a prime (2227939859) 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, 1635105 + ... + 1636466.

It is an arithmetic number, because the mean of its divisors is an integer number (372959208).

Almost surely, 2^2227939851 is an apocalyptic number.

2227939851 is a deficient number, since it is larger than the sum of its proper divisors (755733813).

2227939851 is a wasteful number, since it uses less digits than its factorization.

2227939851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271801.

The product of its digits is 544320, while the sum is 48.

The square root of 2227939851 is about 47201.0577317924. The cubic root of 2227939851 is about 1306.0741098884.

The spelling of 2227939851 in words is "two billion, two hundred twenty-seven million, nine hundred thirty-nine thousand, eight hundred fifty-one".