1394223168 has 56 divisors (see below), whose sum is σ = 3972649408. Its totient is φ = 428990976.

The previous prime is 1394223157. The next prime is 1394223179. The reversal of 1394223168 is 8613224931.

It is an interprime number because it is at equal distance from previous prime (1394223157) and next prime (1394223179).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 276796 + ... + 281787.

It is an arithmetic number, because the mean of its divisors is an integer number (70940168).

Almost surely, 2^1394223168 is an apocalyptic number.

It is an amenable number.

1394223168 is an abundant number, since it is smaller than the sum of its proper divisors (2578426240).

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

1394223168 is a wasteful number, since it uses less digits than its factorization.

1394223168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558611 (or 558601 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 1394223168 is about 37339.2979044866. The cubic root of 1394223168 is about 1117.1481355963.

The spelling of 1394223168 in words is "one billion, three hundred ninety-four million, two hundred twenty-three thousand, one hundred sixty-eight".