22078995 has 16 divisors (see below), whose sum is σ = 36148992. Its totient is φ = 11501280.

The previous prime is 22078981. The next prime is 22078997. The reversal of 22078995 is 59987022.

It is not a de Polignac number, because 22078995 - 2⁷ = 22078867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22078997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16471 + ... + 17760.

It is an arithmetic number, because the mean of its divisors is an integer number (2259312).

Almost surely, 2^22078995 is an apocalyptic number.

22078995 is a deficient number, since it is larger than the sum of its proper divisors (14069997).

22078995 is a wasteful number, since it uses less digits than its factorization.

22078995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34282.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 22078995 is about 4698.8291094697. The cubic root of 22078995 is about 280.5389068461.

The spelling of 22078995 in words is "twenty-two million, seventy-eight thousand, nine hundred ninety-five".