1225550354331 has 8 divisors (see below), whose sum is σ = 1634086504960. Its totient is φ = 817023886632.

The previous prime is 1225550354317. The next prime is 1225550354359. The reversal of 1225550354331 is 1334530555221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1225550354331 - 2¹⁸ = 1225550092187 is a prime.

It is a super-2 number, since 2×1225550354331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225550354331.

It is not an unprimeable number, because it can be changed into a prime (1225550350331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2120071 + ... + 2635488.

It is an arithmetic number, because the mean of its divisors is an integer number (204260813120).

Almost surely, 2^{1225550354331} is an apocalyptic number.

1225550354331 is a deficient number, since it is larger than the sum of its proper divisors (408536150629).

1225550354331 is an equidigital number, since it uses as much as digits as its factorization.

1225550354331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841465.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 1225550354331 in words is "one trillion, two hundred twenty-five billion, five hundred fifty million, three hundred fifty-four thousand, three hundred thirty-one".