1922214 has 16 divisors (see below), whose sum is σ = 4393728. Its totient is φ = 549192.

The previous prime is 1922213. The next prime is 1922233. The reversal of 1922214 is 4122291.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922213) 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, 22842 + ... + 22925.

It is an arithmetic number, because the mean of its divisors is an integer number (274608).

2^1922214 is an apocalyptic number.

1922214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1922214 is an abundant number, since it is smaller than the sum of its proper divisors (2471514).

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

1922214 is a wasteful number, since it uses less digits than its factorization.

1922214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45779.

The product of its digits is 288, while the sum is 21.

The square root of 1922214 is about 1386.4393243125. The cubic root of 1922214 is about 124.3370555867.

The spelling of 1922214 in words is "one million, nine hundred twenty-two thousand, two hundred fourteen".