2232677778 has 8 divisors (see below), whose sum is σ = 4465355568. Its totient is φ = 744225924.

The previous prime is 2232677773. The next prime is 2232677789. The reversal of 2232677778 is 8777762322.

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

2232677778 is an admirable number.

It is a super-3 number, since 3×2232677778³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2232677778.

It is not an unprimeable number, because it can be changed into a prime (2232677773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186056476 + ... + 186056487.

It is an arithmetic number, because the mean of its divisors is an integer number (558169446).

Almost surely, 2^2232677778 is an apocalyptic number.

2232677778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2232677778 is a wasteful number, since it uses less digits than its factorization.

2232677778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372112968.

The product of its digits is 2765952, while the sum is 51.

The square root of 2232677778 is about 47251.2198572693. The cubic root of 2232677778 is about 1306.9992848424. Note that the first 3 decimals are identical.

The spelling of 2232677778 in words is "two billion, two hundred thirty-two million, six hundred seventy-seven thousand, seven hundred seventy-eight".