1231622 has 8 divisors (see below), whose sum is σ = 2111376. Its totient is φ = 527832.

The previous prime is 1231613. The next prime is 1231631. The reversal of 1231622 is 2261321.

It is an interprime number because it is at equal distance from previous prime (1231613) and next prime (1231631).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1231622.

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, 43973 + ... + 44000.

It is an arithmetic number, because the mean of its divisors is an integer number (263922).

2^1231622 is an apocalyptic number.

1231622 is a deficient number, since it is larger than the sum of its proper divisors (879754).

1231622 is an equidigital number, since it uses as much as digits as its factorization.

1231622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87982.

The product of its digits is 144, while the sum is 17.

The square root of 1231622 is about 1109.7846637974. The cubic root of 1231622 is about 107.1912032397.

Adding to 1231622 its reverse (2261321), we get a palindrome (3492943).

The spelling of 1231622 in words is "one million, two hundred thirty-one thousand, six hundred twenty-two".