19225469 has 2 divisors, whose sum is σ = 19225470. Its totient is φ = 19225468.

The previous prime is 19225457. The next prime is 19225477. The reversal of 19225469 is 96452291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14341369 + 4884100 = 3787^2 + 2210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19225469 is a prime.

It is a super-2 number, since 2×19225469² = 739237316539922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19225489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9612734 + 9612735.

It is an arithmetic number, because the mean of its divisors is an integer number (9612735).

Almost surely, 2^19225469 is an apocalyptic number.

It is an amenable number.

19225469 is a deficient number, since it is larger than the sum of its proper divisors (1).

19225469 is an equidigital number, since it uses as much as digits as its factorization.

19225469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 19225469 is about 4384.6857356030. The cubic root of 19225469 is about 267.8915290221.

The spelling of 19225469 in words is "nineteen million, two hundred twenty-five thousand, four hundred sixty-nine".