1922230 has 32 divisors (see below), whose sum is σ = 3720960. Its totient is φ = 712800.

The previous prime is 1922213. The next prime is 1922233. The reversal of 1922230 is 322291.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1922198 and 1922207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12655 + ... + 12805.

It is an arithmetic number, because the mean of its divisors is an integer number (116280).

2^1922230 is an apocalyptic number.

1922230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1922230 is a deficient number, since it is larger than the sum of its proper divisors (1798730).

1922230 is a wasteful number, since it uses less digits than its factorization.

1922230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1922230 is about 1386.4450944772. The cubic root of 1922230 is about 124.3374005686.

The spelling of 1922230 in words is "one million, nine hundred twenty-two thousand, two hundred thirty".