22301020 has 24 divisors (see below), whose sum is σ = 53522784. Its totient is φ = 7646016.

The previous prime is 22301011. The next prime is 22301023. The reversal of 22301020 is 2010322.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22300988 and 22301006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22301023) 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 7 ways as a sum of consecutive naturals, for example, 79507 + ... + 79786.

It is an arithmetic number, because the mean of its divisors is an integer number (2230116).

Almost surely, 2^22301020 is an apocalyptic number.

22301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22301020 is an abundant number, since it is smaller than the sum of its proper divisors (31221764).

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

22301020 is a wasteful number, since it uses less digits than its factorization.

22301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159309 (or 159307 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22301020 is about 4722.3955785173. The cubic root of 22301020 is about 281.4761328666.

Adding to 22301020 its reverse (2010322), we get a palindrome (24311342).

The spelling of 22301020 in words is "twenty-two million, three hundred one thousand, twenty".