22720803 has 16 divisors (see below), whose sum is σ = 36128256. Its totient is φ = 12418560.

The previous prime is 22720793. The next prime is 22720807. The reversal of 22720803 is 30802722.

It is not a de Polignac number, because 22720803 - 2¹³ = 22712611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22720807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23038 + ... + 24003.

It is an arithmetic number, because the mean of its divisors is an integer number (2258016).

Almost surely, 2^22720803 is an apocalyptic number.

22720803 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22720803 is a deficient number, since it is larger than the sum of its proper divisors (13407453).

22720803 is a wasteful number, since it uses less digits than its factorization.

22720803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47074.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 22720803 is about 4766.6343472098. The cubic root of 22720803 is about 283.2312867418.

The spelling of 22720803 in words is "twenty-two million, seven hundred twenty thousand, eight hundred three".