22977108 has 144 divisors (see below), whose sum is σ = 75339264. Its totient is φ = 5948640.

The previous prime is 22977103. The next prime is 22977121. The reversal of 22977108 is 80177922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22977103) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 74691 + ... + 74997.

Almost surely, 2^22977108 is an apocalyptic number.

22977108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22977108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37669632).

22977108 is an abundant number, since it is smaller than the sum of its proper divisors (52362156).

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

22977108 is a wasteful number, since it uses less digits than its factorization.

22977108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 22977108 is about 4793.4442731714. Note that the first 3 decimals coincide. The cubic root of 22977108 is about 284.2923162264.

The spelling of 22977108 in words is "twenty-two million, nine hundred seventy-seven thousand, one hundred eight".