1348863220 has 24 divisors (see below), whose sum is σ = 2834320104. Its totient is φ = 539220096.

The previous prime is 1348863211. The next prime is 1348863233. The reversal of 1348863220 is 223688431.

It can be written as a sum of positive squares in 4 ways, for example, as 6666724 + 1342196496 = 2582^2 + 36636^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1348863220.

It is a congruent number.

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, 15202 + ... + 54118.

It is an arithmetic number, because the mean of its divisors is an integer number (118096671).

Almost surely, 2^1348863220 is an apocalyptic number.

1348863220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1348863220 is an abundant number, since it is smaller than the sum of its proper divisors (1485456884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1348863220 is a wasteful number, since it uses less digits than its factorization.

1348863220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40659 (or 40657 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1348863220 is about 36726.8732674046. The cubic root of 1348863220 is about 1104.8991451941.

The spelling of 1348863220 in words is "one billion, three hundred forty-eight million, eight hundred sixty-three thousand, two hundred twenty".