22255603 has 2 divisors, whose sum is σ = 22255604. Its totient is φ = 22255602.

The previous prime is 22255577. The next prime is 22255609. The reversal of 22255603 is 30655222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22255603 is a prime.

It is not a weakly prime, because it can be changed into another prime (22255609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127801 + 11127802.

It is an arithmetic number, because the mean of its divisors is an integer number (11127802).

Almost surely, 2^22255603 is an apocalyptic number.

22255603 is a deficient number, since it is larger than the sum of its proper divisors (1).

22255603 is an equidigital number, since it uses as much as digits as its factorization.

22255603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 22255603 is about 4717.5844454551. The cubic root of 22255603 is about 281.2849235316.

The spelling of 22255603 in words is "twenty-two million, two hundred fifty-five thousand, six hundred three".