1469225669 has 2 divisors, whose sum is σ = 1469225670. Its totient is φ = 1469225668.

The previous prime is 1469225599. The next prime is 1469225701. The reversal of 1469225669 is 9665229641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1293265444 + 175960225 = 35962^2 + 13265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1469225669 is a prime.

It is a super-2 number, since 2×1469225669² = 4317248132896995122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1469222669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734612834 + 734612835.

It is an arithmetic number, because the mean of its divisors is an integer number (734612835).

Almost surely, 2^1469225669 is an apocalyptic number.

It is an amenable number.

1469225669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1469225669 is an equidigital number, since it uses as much as digits as its factorization.

1469225669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 50.

The square root of 1469225669 is about 38330.4796343589. The cubic root of 1469225669 is about 1136.8316841267.

The spelling of 1469225669 in words is "one billion, four hundred sixty-nine million, two hundred twenty-five thousand, six hundred sixty-nine".