1314370221 has 4 divisors (see below), whose sum is σ = 1752493632. Its totient is φ = 876246812.

The previous prime is 1314370157. The next prime is 1314370243. The reversal of 1314370221 is 1220734131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1314370221 - 2⁶ = 1314370157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1314370191 and 1314370200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314370261) 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, 219061701 + ... + 219061706.

It is an arithmetic number, because the mean of its divisors is an integer number (438123408).

Almost surely, 2^1314370221 is an apocalyptic number.

It is an amenable number.

1314370221 is a deficient number, since it is larger than the sum of its proper divisors (438123411).

1314370221 is an equidigital number, since it uses as much as digits as its factorization.

1314370221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438123410.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1314370221 is about 36254.2441791303. The cubic root of 1314370221 is about 1095.3995806142.

The spelling of 1314370221 in words is "one billion, three hundred fourteen million, three hundred seventy thousand, two hundred twenty-one".