1822630 has 16 divisors (see below), whose sum is σ = 3316320. Its totient is φ = 721152.

The previous prime is 1822571. The next prime is 1822633. The reversal of 1822630 is 362281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31 + ... + 1909.

It is an arithmetic number, because the mean of its divisors is an integer number (207270).

2^1822630 is an apocalyptic number.

1822630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1822630 is a deficient number, since it is larger than the sum of its proper divisors (1493690).

1822630 is a wasteful number, since it uses less digits than its factorization.

1822630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1822630 is about 1350.0481472896. The cubic root of 1822630 is about 122.1516969929.

The spelling of 1822630 in words is "one million, eight hundred twenty-two thousand, six hundred thirty".