1394226164 has 6 divisors (see below), whose sum is σ = 2439895794. Its totient is φ = 697113080.

The previous prime is 1394226161. The next prime is 1394226173. The reversal of 1394226164 is 4616224931.

It can be written as a sum of positive squares in only one way, i.e., 1377003664 + 17222500 = 37108^2 + 4150^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394226161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174278267 + ... + 174278274.

It is an arithmetic number, because the mean of its divisors is an integer number (406649299).

Almost surely, 2^1394226164 is an apocalyptic number.

It is an amenable number.

1394226164 is a deficient number, since it is larger than the sum of its proper divisors (1045669630).

1394226164 is a wasteful number, since it uses less digits than its factorization.

1394226164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348556545 (or 348556543 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 1394226164 is about 37339.3380230555. The cubic root of 1394226164 is about 1117.1489357966.

The spelling of 1394226164 in words is "one billion, three hundred ninety-four million, two hundred twenty-six thousand, one hundred sixty-four".