1225536224149 has 2 divisors, whose sum is σ = 1225536224150. Its totient is φ = 1225536224148.

The previous prime is 1225536224093. The next prime is 1225536224177. The reversal of 1225536224149 is 9414226355221.

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., 728151609124 + 497384615025 = 853318^2 + 705255^2 .

It is an emirp because it is prime and its reverse (9414226355221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1225536224149 - 2¹⁵ = 1225536191381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225536224099 and 1225536224108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225536228149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612768112074 + 612768112075.

It is an arithmetic number, because the mean of its divisors is an integer number (612768112075).

Almost surely, 2^{1225536224149} is an apocalyptic number.

It is an amenable number.

1225536224149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225536224149 is an equidigital number, since it uses as much as digits as its factorization.

1225536224149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 46.

The spelling of 1225536224149 in words is "one trillion, two hundred twenty-five billion, five hundred thirty-six million, two hundred twenty-four thousand, one hundred forty-nine".