1373228394 has 16 divisors (see below), whose sum is σ = 2768083968. Its totient is φ = 454138272.

The previous prime is 1373228371. The next prime is 1373228407. The reversal of 1373228394 is 4938223731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900307 + ... + 901830.

It is an arithmetic number, because the mean of its divisors is an integer number (173005248).

Almost surely, 2^1373228394 is an apocalyptic number.

1373228394 is an abundant number, since it is smaller than the sum of its proper divisors (1394855574).

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

1373228394 is a wasteful number, since it uses less digits than its factorization.

1373228394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802269.

The product of its digits is 217728, while the sum is 42.

The square root of 1373228394 is about 37057.0964054120. The cubic root of 1373228394 is about 1111.5122622733.

The spelling of 1373228394 in words is "one billion, three hundred seventy-three million, two hundred twenty-eight thousand, three hundred ninety-four".