1299422 has 8 divisors (see below), whose sum is σ = 1981272. Its totient is φ = 639000.

The previous prime is 1299379. The next prime is 1299437. The reversal of 1299422 is 2249921.

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, 5204 + ... + 5447.

It is an arithmetic number, because the mean of its divisors is an integer number (247659).

2^1299422 is an apocalyptic number.

1299422 is a deficient number, since it is larger than the sum of its proper divisors (681850).

1299422 is a wasteful number, since it uses less digits than its factorization.

1299422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10714.

The product of its digits is 2592, while the sum is 29.

The square root of 1299422 is about 1139.9219271512. The cubic root of 1299422 is about 109.1231109061.

The spelling of 1299422 in words is "one million, two hundred ninety-nine thousand, four hundred twenty-two".