1642322 has 16 divisors (see below), whose sum is σ = 2829600. Its totient is φ = 707040.

The previous prime is 1642313. The next prime is 1642327. The reversal of 1642322 is 2232461.

It is a junction number, because it is equal to n+sod(n) for n = 1642294 and 1642303.

It is not an unprimeable number, because it can be changed into a prime (1642327) 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, 1547 + ... + 2382.

It is an arithmetic number, because the mean of its divisors is an integer number (176850).

2^1642322 is an apocalyptic number.

1642322 is a deficient number, since it is larger than the sum of its proper divisors (1187278).

1642322 is a wasteful number, since it uses less digits than its factorization.

1642322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961.

The product of its digits is 576, while the sum is 20.

The square root of 1642322 is about 1281.5311155021. The cubic root of 1642322 is about 117.9830005196.

Adding to 1642322 its reverse (2232461), we get a palindrome (3874783).

The spelling of 1642322 in words is "one million, six hundred forty-two thousand, three hundred twenty-two".