22701828 has 48 divisors (see below), whose sum is σ = 55996416. Its totient is φ = 7143840.

The previous prime is 22701797. The next prime is 22701829. The reversal of 22701828 is 82810722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22701795 and 22701804.

It is not an unprimeable number, because it can be changed into a prime (22701829) 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, 22413 + ... + 23403.

It is an arithmetic number, because the mean of its divisors is an integer number (1166592).

Almost surely, 2^22701828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22701828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27998208).

22701828 is an abundant number, since it is smaller than the sum of its proper divisors (33294588).

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

22701828 is a wasteful number, since it uses less digits than its factorization.

22701828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 22701828 is about 4764.6435333611. The cubic root of 22701828 is about 283.1524190707.

The spelling of 22701828 in words is "twenty-two million, seven hundred one thousand, eight hundred twenty-eight".