1222353214451 has 2 divisors, whose sum is σ = 1222353214452. Its totient is φ = 1222353214450.

The previous prime is 1222353214429. The next prime is 1222353214457. The reversal of 1222353214451 is 1544123532221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222353214451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222353214457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611176607225 + 611176607226.

It is an arithmetic number, because the mean of its divisors is an integer number (611176607226).

Almost surely, 2^{1222353214451} is an apocalyptic number.

1222353214451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222353214451 is an equidigital number, since it uses as much as digits as its factorization.

1222353214451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 35.

Adding to 1222353214451 its reverse (1544123532221), we get a palindrome (2766476746672).

The spelling of 1222353214451 in words is "one trillion, two hundred twenty-two billion, three hundred fifty-three million, two hundred fourteen thousand, four hundred fifty-one".