1229662 has 8 divisors (see below), whose sum is σ = 2108016. Its totient is φ = 526992.

The previous prime is 1229647. The next prime is 1229663. The reversal of 1229662 is 2669221.

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 1229662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229663) 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 3 ways as a sum of consecutive naturals, for example, 43903 + ... + 43930.

It is an arithmetic number, because the mean of its divisors is an integer number (263502).

2^1229662 is an apocalyptic number.

1229662 is a deficient number, since it is larger than the sum of its proper divisors (878354).

1229662 is an equidigital number, since it uses as much as digits as its factorization.

1229662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87842.

The product of its digits is 2592, while the sum is 28.

The square root of 1229662 is about 1108.9012580027. The cubic root of 1229662 is about 107.1343117841.

It can be divided in two parts, 1229 and 662, that added together give a triangular number (1891 = T₆₁).

The spelling of 1229662 in words is "one million, two hundred twenty-nine thousand, six hundred sixty-two".