1345221110 has 8 divisors (see below), whose sum is σ = 2421398016. Its totient is φ = 538088440.

The previous prime is 1345221083. The next prime is 1345221113. The reversal of 1345221110 is 111225431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345221113) 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, 67261046 + ... + 67261065.

It is an arithmetic number, because the mean of its divisors is an integer number (302674752).

Almost surely, 2^1345221110 is an apocalyptic number.

1345221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345221110 is a deficient number, since it is larger than the sum of its proper divisors (1076176906).

1345221110 is a wasteful number, since it uses less digits than its factorization.

1345221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134522118.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1345221110 is about 36677.2560314972. The cubic root of 1345221110 is about 1103.9037906034.

Adding to 1345221110 its reverse (111225431), we get a palindrome (1456446541).

The spelling of 1345221110 in words is "one billion, three hundred forty-five million, two hundred twenty-one thousand, one hundred ten".