22780076 has 12 divisors (see below), whose sum is σ = 43489320. Its totient is φ = 10354560.

The previous prime is 22780061. The next prime is 22780081. The reversal of 22780076 is 67008722.

It is an unprimeable number.

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, 258821 + ... + 258908.

It is an arithmetic number, because the mean of its divisors is an integer number (3624110).

Almost surely, 2^22780076 is an apocalyptic number.

It is an amenable number.

22780076 is a deficient number, since it is larger than the sum of its proper divisors (20709244).

22780076 is a wasteful number, since it uses less digits than its factorization.

22780076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517744 (or 517742 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 22780076 is about 4772.8477872231. The cubic root of 22780076 is about 283.4773665219.

Adding to 22780076 its reverse (67008722), we get a palindrome (89788798).

The spelling of 22780076 in words is "twenty-two million, seven hundred eighty thousand, seventy-six".