22061803 has 2 divisors, whose sum is σ = 22061804. Its totient is φ = 22061802.

The previous prime is 22061771. The next prime is 22061821. The reversal of 22061803 is 30816022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22061803 - 2⁵ = 22061771 is a prime.

It is a super-2 number, since 2×22061803² = 973446303221618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22061873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11030901 + 11030902.

It is an arithmetic number, because the mean of its divisors is an integer number (11030902).

Almost surely, 2^22061803 is an apocalyptic number.

22061803 is a deficient number, since it is larger than the sum of its proper divisors (1).

22061803 is an equidigital number, since it uses as much as digits as its factorization.

22061803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22061803 is about 4696.9993612944. Note that the first 3 decimals coincide. The cubic root of 22061803 is about 280.4660732583.

Adding to 22061803 its reverse (30816022), we get a palindrome (52877825).

The spelling of 22061803 in words is "twenty-two million, sixty-one thousand, eight hundred three".