1922008 has 16 divisors (see below), whose sum is σ = 3931560. Its totient is φ = 873600.

The previous prime is 1921981. The next prime is 1922027. The reversal of 1922008 is 8002291.

It is a super-2 number, since 2×1922008² = 7388229504128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 1922008.

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, 10833 + ... + 11008.

2^1922008 is an apocalyptic number.

It is an amenable number.

1922008 is an abundant number, since it is smaller than the sum of its proper divisors (2009552).

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

1922008 is a wasteful number, since it uses less digits than its factorization.

1922008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21858 (or 21854 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1922008 is about 1386.3650312959. The cubic root of 1922008 is about 124.3326137731.

Adding to 1922008 its reverse (8002291), we get a palindrome (9924299).

It can be divided in two parts, 192200 and 8, that multiplied together give a square (1537600 = 1240²).

The spelling of 1922008 in words is "one million, nine hundred twenty-two thousand, eight".