1622002 has 8 divisors (see below), whose sum is σ = 2454876. Its totient is φ = 803712.

The previous prime is 1621993. The next prime is 1622009. The reversal of 1622002 is 2002261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1615441 + 6561 = 1271^2 + 81^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1622009) 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, 3363 + ... + 3814.

2^1622002 is an apocalyptic number.

1622002 is a deficient number, since it is larger than the sum of its proper divisors (832874).

1622002 is a wasteful number, since it uses less digits than its factorization.

1622002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1622002 is about 1273.5784231841. The cubic root of 1622002 is about 117.4943893503.

Adding to 1622002 its reverse (2002261), we get a palindrome (3624263).

The spelling of 1622002 in words is "one million, six hundred twenty-two thousand, two".