1922256 has 60 divisors (see below), whose sum is σ = 6151392. Its totient is φ = 548928.

The previous prime is 1922233. The next prime is 1922269. The reversal of 1922256 is 6522291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55 + ... + 1961.

2^1922256 is an apocalyptic number.

1922256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1922256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075696).

1922256 is an abundant number, since it is smaller than the sum of its proper divisors (4229136).

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

1922256 is a wasteful number, since it uses less digits than its factorization.

1922256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1919 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1922256 is about 1386.4544709438. The cubic root of 1922256 is about 124.3379611602.

The spelling of 1922256 in words is "one million, nine hundred twenty-two thousand, two hundred fifty-six".