1314542221 has 12 divisors (see below), whose sum is σ = 1408809492. Its totient is φ = 1226236928.

The previous prime is 1314542167. The next prime is 1314542231. The reversal of 1314542221 is 1222454131.

It can be written as a sum of positive squares in 6 ways, for example, as 38266596 + 1276275625 = 6186^2 + 35725^2 .

It is not a de Polignac number, because 1314542221 - 2¹⁵ = 1314509453 is a prime.

It is a super-2 number, since 2×1314542221² = 3456042501583225682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314542231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12531 + ... + 52783.

It is an arithmetic number, because the mean of its divisors is an integer number (117400791).

Almost surely, 2^1314542221 is an apocalyptic number.

It is an amenable number.

1314542221 is a deficient number, since it is larger than the sum of its proper divisors (94267271).

1314542221 is a wasteful number, since it uses less digits than its factorization.

1314542221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40400 (or 40383 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 1314542221 is about 36256.6162375917. The cubic root of 1314542221 is about 1095.4473602801.

Adding to 1314542221 its reverse (1222454131), we get a palindrome (2536996352).

The spelling of 1314542221 in words is "one billion, three hundred fourteen million, five hundred forty-two thousand, two hundred twenty-one".