1343222051 has 4 divisors (see below), whose sum is σ = 1344632472. Its totient is φ = 1341811632.

The previous prime is 1343222047. The next prime is 1343222077. The reversal of 1343222051 is 1502223431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1502223431 = 1697 ⋅885223.

It is a cyclic number.

It is not a de Polignac number, because 1343222051 - 2² = 1343222047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343222021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703781 + ... + 705686.

It is an arithmetic number, because the mean of its divisors is an integer number (336158118).

Almost surely, 2^1343222051 is an apocalyptic number.

1343222051 is a deficient number, since it is larger than the sum of its proper divisors (1410421).

1343222051 is an equidigital number, since it uses as much as digits as its factorization.

1343222051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410420.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1343222051 is about 36649.9938744879. The cubic root of 1343222051 is about 1103.3567026405.

Adding to 1343222051 its reverse (1502223431), we get a palindrome (2845445482).

The spelling of 1343222051 in words is "one billion, three hundred forty-three million, two hundred twenty-two thousand, fifty-one".