1390227 has 8 divisors (see below), whose sum is σ = 1865664. Its totient is φ = 920808.

The previous prime is 1390219. The next prime is 1390241. The reversal of 1390227 is 7220931.

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

It is not a de Polignac number, because 1390227 - 2³ = 1390219 is a prime.

It is a super-2 number, since 2×1390227² = 3865462223058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1390197 and 1390206.

It is not an unprimeable number, because it can be changed into a prime (1390247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933 + ... + 1910.

It is an arithmetic number, because the mean of its divisors is an integer number (233208).

2^1390227 is an apocalyptic number.

1390227 is a deficient number, since it is larger than the sum of its proper divisors (475437).

1390227 is a wasteful number, since it uses less digits than its factorization.

1390227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1390227 is about 1179.0788777686. The cubic root of 1390227 is about 111.6079778729.

The spelling of 1390227 in words is "one million, three hundred ninety thousand, two hundred twenty-seven".