1379222 has 8 divisors (see below), whose sum is σ = 2228016. Its totient is φ = 636552.

The previous prime is 1379207. The next prime is 1379237. The reversal of 1379222 is 2229731.

It is an interprime number because it is at equal distance from previous prime (1379207) and next prime (1379237).

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 53047 = 1379222 / (1 + 3 + 7 + 9 + 2 + 2 + 2).

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 3⁷ + 7² + 9³ + 2¹⁶ + 2¹⁸ + 2²⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 1379191 and 1379200.

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, 26498 + ... + 26549.

It is an arithmetic number, because the mean of its divisors is an integer number (278502).

2^1379222 is an apocalyptic number.

1379222 is a deficient number, since it is larger than the sum of its proper divisors (848794).

1379222 is a wasteful number, since it uses less digits than its factorization.

1379222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53062.

The product of its digits is 1512, while the sum is 26.

The square root of 1379222 is about 1174.4028269721. The cubic root of 1379222 is about 111.3127021025.

The spelling of 1379222 in words is "one million, three hundred seventy-nine thousand, two hundred twenty-two".