1869222 has 8 divisors (see below), whose sum is σ = 3738456. Its totient is φ = 623072.

The previous prime is 1869221. The next prime is 1869227. The reversal of 1869222 is 2229681.

It is a sphenic number, since it is the product of 3 distinct primes.

1869222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1869222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1869221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155763 + ... + 155774.

It is an arithmetic number, because the mean of its divisors is an integer number (467307).

2^1869222 is an apocalyptic number.

1869222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1869222 is a wasteful number, since it uses less digits than its factorization.

1869222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311542.

The product of its digits is 3456, while the sum is 30.

The square root of 1869222 is about 1367.1949385512. The cubic root of 1869222 is about 123.1838087312.

The spelling of 1869222 in words is "one million, eight hundred sixty-nine thousand, two hundred twenty-two".