1964422 has 4 divisors (see below), whose sum is σ = 2946636. Its totient is φ = 982210.

The previous prime is 1964419. The next prime is 1964437. The reversal of 1964422 is 2244691.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491104 + ... + 491107.

It is an arithmetic number, because the mean of its divisors is an integer number (736659).

2^1964422 is an apocalyptic number.

1964422 is a deficient number, since it is larger than the sum of its proper divisors (982214).

1964422 is an equidigital number, since it uses as much as digits as its factorization.

1964422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982213.

The product of its digits is 3456, while the sum is 28.

The square root of 1964422 is about 1401.5783959522. The cubic root of 1964422 is about 125.2405394958.

The spelling of 1964422 in words is "one million, nine hundred sixty-four thousand, four hundred twenty-two".