22874820 has 48 divisors (see below), whose sum is σ = 64266048. Its totient is φ = 6079360.

The previous prime is 22874801. The next prime is 22874821. The reversal of 22874820 is 2847822.

It is not an unprimeable number, because it can be changed into a prime (22874821) 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, 27247 + ... + 28073.

It is an arithmetic number, because the mean of its divisors is an integer number (1338876).

Almost surely, 2^22874820 is an apocalyptic number.

22874820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22874820 is an abundant number, since it is smaller than the sum of its proper divisors (41391228).

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

22874820 is a wasteful number, since it uses less digits than its factorization.

22874820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 22874820 is about 4782.7627998888. The cubic root of 22874820 is about 283.8698239618.

The spelling of 22874820 in words is "twenty-two million, eight hundred seventy-four thousand, eight hundred twenty".