1955722 has 4 divisors (see below), whose sum is σ = 2933586. Its totient is φ = 977860.

The previous prime is 1955711. The next prime is 1955747. The reversal of 1955722 is 2275591.

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

It can be written as a sum of positive squares in only one way, i.e., 1745041 + 210681 = 1321^2 + 459^2 .

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, 488929 + ... + 488932.

2^1955722 is an apocalyptic number.

1955722 is a deficient number, since it is larger than the sum of its proper divisors (977864).

1955722 is an equidigital number, since it uses as much as digits as its factorization.

1955722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977863.

The product of its digits is 6300, while the sum is 31.

The square root of 1955722 is about 1398.4713082505. The cubic root of 1955722 is about 125.0553781291.

The spelling of 1955722 in words is "one million, nine hundred fifty-five thousand, seven hundred twenty-two".