1427221352 has 32 divisors (see below), whose sum is σ = 2690893920. Its totient is φ = 709663680.

The previous prime is 1427221343. The next prime is 1427221361. The reversal of 1427221352 is 2531227241.

It is an interprime number because it is at equal distance from previous prime (1427221343) and next prime (1427221361).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1813103 + ... + 1813889.

It is an arithmetic number, because the mean of its divisors is an integer number (84090435).

Almost surely, 2^1427221352 is an apocalyptic number.

It is an amenable number.

1427221352 is a deficient number, since it is larger than the sum of its proper divisors (1263672568).

1427221352 is a wasteful number, since it uses less digits than its factorization.

1427221352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1757 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 1427221352 is about 37778.5832450080. The cubic root of 1427221352 is about 1125.8929804156.

Adding to 1427221352 its reverse (2531227241), we get a palindrome (3958448593).

The spelling of 1427221352 in words is "one billion, four hundred twenty-seven million, two hundred twenty-one thousand, three hundred fifty-two".