22300220 has 12 divisors (see below), whose sum is σ = 46830504. Its totient is φ = 8920080.

The previous prime is 22300207. The next prime is 22300237. The reversal of 22300220 is 2200322.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 557486 + ... + 557525.

It is an arithmetic number, because the mean of its divisors is an integer number (3902542).

Almost surely, 2^22300220 is an apocalyptic number.

22300220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22300220 is an abundant number, since it is smaller than the sum of its proper divisors (24530284).

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

22300220 is a wasteful number, since it uses less digits than its factorization.

22300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115020 (or 1115018 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 22300220 is about 4722.3108749848. The cubic root of 22300220 is about 281.4727670475.

Adding to 22300220 its reverse (2200322), we get a palindrome (24500542).

The spelling of 22300220 in words is "twenty-two million, three hundred thousand, two hundred twenty".