22774078 has 8 divisors (see below), whose sum is σ = 34288920. Its totient is φ = 11344440.

The previous prime is 22774069. The next prime is 22774079. The reversal of 22774078 is 87047722.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22774079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20628 + ... + 21703.

It is an arithmetic number, because the mean of its divisors is an integer number (4286115).

Almost surely, 2^22774078 is an apocalyptic number.

22774078 is a deficient number, since it is larger than the sum of its proper divisors (11514842).

22774078 is a wasteful number, since it uses less digits than its factorization.

22774078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42602.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 22774078 is about 4772.2193998181. The cubic root of 22774078 is about 283.4524844496.

It can be divided in two parts, 227 and 74078, that added together give a triangular number (74305 = T₃₈₅).

The spelling of 22774078 in words is "twenty-two million, seven hundred seventy-four thousand, seventy-eight".