1394220338 has 16 divisors (see below), whose sum is σ = 2391771840. Its totient is φ = 597103056.

The previous prime is 1394220301. The next prime is 1394220341. The reversal of 1394220338 is 8330224931.

It is a junction number, because it is equal to n+sod(n) for n = 1394220298 and 1394220307.

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, 13928 + ... + 54611.

It is an arithmetic number, because the mean of its divisors is an integer number (149485740).

Almost surely, 2^1394220338 is an apocalyptic number.

1394220338 is a deficient number, since it is larger than the sum of its proper divisors (997551502).

1394220338 is a wasteful number, since it uses less digits than its factorization.

1394220338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70001.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1394220338 is about 37339.2600087361. The cubic root of 1394220338 is about 1117.1473797318.

The spelling of 1394220338 in words is "one billion, three hundred ninety-four million, two hundred twenty thousand, three hundred thirty-eight".