1919226 has 16 divisors (see below), whose sum is σ = 3888000. Its totient is φ = 631488.

The previous prime is 1919161. The next prime is 1919231. The reversal of 1919226 is 6229191.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1919193 and 1919202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

2^1919226 is an apocalyptic number.

1919226 is an abundant number, since it is smaller than the sum of its proper divisors (1968774).

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

1919226 is a wasteful number, since it uses less digits than its factorization.

1919226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133.

The product of its digits is 1944, while the sum is 30.

The square root of 1919226 is about 1385.3613247092. The cubic root of 1919226 is about 124.2725966187.

It can be divided in two parts, 1919 and 226, that added together give a triangular number (2145 = T₆₅).

The spelling of 1919226 in words is "one million, nine hundred nineteen thousand, two hundred twenty-six".