22080078 has 24 divisors (see below), whose sum is σ = 49491000. Its totient is φ = 7106064.

The previous prime is 22080061. The next prime is 22080089. The reversal of 22080078 is 87008022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20628 + ... + 21671.

It is an arithmetic number, because the mean of its divisors is an integer number (2062125).

Almost surely, 2^22080078 is an apocalyptic number.

22080078 is an abundant number, since it is smaller than the sum of its proper divisors (27410922).

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

22080078 is a wasteful number, since it uses less digits than its factorization.

22080078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42336 (or 42333 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 22080078 is about 4698.9443495321. The cubic root of 22080078 is about 280.5434936893.

The spelling of 22080078 in words is "twenty-two million, eighty thousand, seventy-eight".