22889078 has 4 divisors (see below), whose sum is σ = 34333620. Its totient is φ = 11444538.

The previous prime is 22889023. The next prime is 22889081. The reversal of 22889078 is 87098822.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5722268 + ... + 5722271.

It is an arithmetic number, because the mean of its divisors is an integer number (8583405).

Almost surely, 2^22889078 is an apocalyptic number.

22889078 is a deficient number, since it is larger than the sum of its proper divisors (11444542).

22889078 is a wasteful number, since it uses less digits than its factorization.

22889078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444541.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 22889078 is about 4784.2531287548. The cubic root of 22889078 is about 283.9287909149.

The spelling of 22889078 in words is "twenty-two million, eight hundred eighty-nine thousand, seventy-eight".