22478850 has 48 divisors (see below), whose sum is σ = 61945440. Its totient is φ = 5994000.

The previous prime is 22478803. The next prime is 22478867. The reversal of 22478850 is 5887422.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6976 + ... + 9675.

It is an arithmetic number, because the mean of its divisors is an integer number (1290530).

Almost surely, 2^22478850 is an apocalyptic number.

22478850 is an abundant number, since it is smaller than the sum of its proper divisors (39466590).

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

22478850 is a wasteful number, since it uses less digits than its factorization.

22478850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16672 (or 16661 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 22478850 is about 4741.1865603454. The cubic root of 22478850 is about 282.2223235465. Note that the first 3 decimals are identical.

The spelling of 22478850 in words is "twenty-two million, four hundred seventy-eight thousand, eight hundred fifty".