1394022044 has 6 divisors (see below), whose sum is σ = 2439538584. Its totient is φ = 697011020.

The previous prime is 1394022029. The next prime is 1394022053. The reversal of 1394022044 is 4402204931.

It is a junction number, because it is equal to n+sod(n) for n = 1394021998 and 1394022016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174252752 + ... + 174252759.

It is an arithmetic number, because the mean of its divisors is an integer number (406589764).

Almost surely, 2^1394022044 is an apocalyptic number.

It is an amenable number.

1394022044 is a deficient number, since it is larger than the sum of its proper divisors (1045516540).

1394022044 is a wasteful number, since it uses less digits than its factorization.

1394022044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348505515 (or 348505513 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1394022044 is about 37336.6046126318. The cubic root of 1394022044 is about 1117.0944148549.

Adding to 1394022044 its reverse (4402204931), we get a palindrome (5796226975).

The spelling of 1394022044 in words is "one billion, three hundred ninety-four million, twenty-two thousand, forty-four".