22886424 has 144 divisors (see below), whose sum is σ = 70958160. Its totient is φ = 6652800.

The previous prime is 22886399. The next prime is 22886429. The reversal of 22886424 is 42468822.

It is a happy number.

22886424 is a `hidden beast` number, since 2 + 2 + 8 + 8 + 642 + 4 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22886429) 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 35 ways as a sum of consecutive naturals, for example, 322309 + ... + 322379.

It is an arithmetic number, because the mean of its divisors is an integer number (492765).

Almost surely, 2^22886424 is an apocalyptic number.

22886424 is a gapful number since it is divisible by the number (24) 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 22886424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35479080).

22886424 is an abundant number, since it is smaller than the sum of its proper divisors (48071736).

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

22886424 is a wasteful number, since it uses less digits than its factorization.

22886424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 124 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 22886424 is about 4783.9757524469. The cubic root of 22886424 is about 283.9178165958.

It can be divided in two parts, 22 and 886424, that added together give a triangular number (886446 = T₁₃₃₁).

The spelling of 22886424 in words is "twenty-two million, eight hundred eighty-six thousand, four hundred twenty-four".