225604154669 has 2 divisors, whose sum is σ = 225604154670. Its totient is φ = 225604154668.

The previous prime is 225604154653. The next prime is 225604154681. The reversal of 225604154669 is 966451406522.

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., 214611680644 + 10992474025 = 463262^2 + 104845^2 .

It is a cyclic number.

It is not a de Polignac number, because 225604154669 - 2⁴ = 225604154653 is a prime.

It is a super-2 number, since 2×225604154669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225604154569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112802077334 + 112802077335.

It is an arithmetic number, because the mean of its divisors is an integer number (112802077335).

Almost surely, 2^225604154669 is an apocalyptic number.

It is an amenable number.

225604154669 is a deficient number, since it is larger than the sum of its proper divisors (1).

225604154669 is an equidigital number, since it uses as much as digits as its factorization.

225604154669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 225604154669 in words is "two hundred twenty-five billion, six hundred four million, one hundred fifty-four thousand, six hundred sixty-nine".