1342342221 has 8 divisors (see below), whose sum is σ = 1952497824. Its totient is φ = 813540720.

The previous prime is 1342342193. The next prime is 1342342249. The reversal of 1342342221 is 1222432431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1342342193) and next prime (1342342249).

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

It is not a de Polignac number, because 1342342221 - 2⁵ = 1342342189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342342191 and 1342342200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342342021) 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, 20338486 + ... + 20338551.

It is an arithmetic number, because the mean of its divisors is an integer number (244062228).

Almost surely, 2^1342342221 is an apocalyptic number.

1342342221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1342342221 is a deficient number, since it is larger than the sum of its proper divisors (610155603).

1342342221 is a wasteful number, since it uses less digits than its factorization.

1342342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40677051.

The product of its digits is 2304, while the sum is 24.

The square root of 1342342221 is about 36637.9887684900. The cubic root of 1342342221 is about 1103.1157451211.

Adding to 1342342221 its reverse (1222432431), we get a palindrome (2564774652).

The spelling of 1342342221 in words is "one billion, three hundred forty-two million, three hundred forty-two thousand, two hundred twenty-one".