22673778 has 8 divisors (see below), whose sum is σ = 45347568. Its totient is φ = 7557924.

The previous prime is 22673773. The next prime is 22673809. The reversal of 22673778 is 87737622.

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

22673778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22673773) 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, 1889476 + ... + 1889487.

It is an arithmetic number, because the mean of its divisors is an integer number (5668446).

Almost surely, 2^22673778 is an apocalyptic number.

22673778 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.

22673778 is a wasteful number, since it uses less digits than its factorization.

22673778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778968.

The product of its digits is 197568, while the sum is 42.

The square root of 22673778 is about 4761.6990665098. The cubic root of 22673778 is about 283.0357515380.

It can be divided in two parts, 2267377 and 8, that added together give a triangular number (2267385 = T₂₁₂₉).

The spelling of 22673778 in words is "twenty-two million, six hundred seventy-three thousand, seven hundred seventy-eight".