1922944 has 32 divisors (see below), whose sum is σ = 3898440. Its totient is φ = 944640.

The previous prime is 1922923. The next prime is 1922951. The reversal of 1922944 is 4492291.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 10534 + ... + 10714.

2^1922944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1922944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949220).

1922944 is an abundant number, since it is smaller than the sum of its proper divisors (1975496).

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

1922944 is an equidigital number, since it uses as much as digits as its factorization.

1922944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 266 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1922944 is about 1386.7025636379. The cubic root of 1922944 is about 124.3527934395.

It can be divided in two parts, 192 and 2944, that added together give a square (3136 = 56²).

The spelling of 1922944 in words is "one million, nine hundred twenty-two thousand, nine hundred forty-four".