22260878 has 4 divisors (see below), whose sum is σ = 33391320. Its totient is φ = 11130438.

The previous prime is 22260869. The next prime is 22260881. The reversal of 22260878 is 87806222.

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

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, 5565218 + ... + 5565221.

It is an arithmetic number, because the mean of its divisors is an integer number (8347830).

Almost surely, 2^22260878 is an apocalyptic number.

22260878 is a deficient number, since it is larger than the sum of its proper divisors (11130442).

22260878 is a wasteful number, since it uses less digits than its factorization.

22260878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11130441.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 22260878 is about 4718.1434908235. The cubic root of 22260878 is about 281.3071450632.

The spelling of 22260878 in words is "twenty-two million, two hundred sixty thousand, eight hundred seventy-eight".