1392422 has 8 divisors (see below), whose sum is σ = 2133216. Its totient is φ = 681352.

The previous prime is 1392407. The next prime is 1392431. The reversal of 1392422 is 2242931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7313 + ... + 7500.

It is an arithmetic number, because the mean of its divisors is an integer number (266652).

2^1392422 is an apocalyptic number.

1392422 is a deficient number, since it is larger than the sum of its proper divisors (740794).

1392422 is a wasteful number, since it uses less digits than its factorization.

1392422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14862.

The product of its digits is 864, while the sum is 23.

The square root of 1392422 is about 1180.0093219971. The cubic root of 1392422 is about 111.6666854781. Note that the first 4 decimals are identical.

The spelling of 1392422 in words is "one million, three hundred ninety-two thousand, four hundred twenty-two".