1225232223421 has 8 divisors (see below), whose sum is σ = 1226680456320. Its totient is φ = 1223784402672.

The previous prime is 1225232223419. The next prime is 1225232223431. The reversal of 1225232223421 is 1243222325221.

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

It is a cyclic number.

It is not a de Polignac number, because 1225232223421 - 2¹ = 1225232223419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225232223431) 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, 6063016 + ... + 6261838.

It is an arithmetic number, because the mean of its divisors is an integer number (153335057040).

Almost surely, 2^{1225232223421} is an apocalyptic number.

It is an amenable number.

1225232223421 is a deficient number, since it is larger than the sum of its proper divisors (1448232899).

1225232223421 is an equidigital number, since it uses as much as digits as its factorization.

1225232223421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206075.

The product of its digits is 23040, while the sum is 31.

Adding to 1225232223421 its reverse (1243222325221), we get a palindrome (2468454548642).

The spelling of 1225232223421 in words is "one trillion, two hundred twenty-five billion, two hundred thirty-two million, two hundred twenty-three thousand, four hundred twenty-one".