1622081732 has 6 divisors (see below), whose sum is σ = 2838643038. Its totient is φ = 811040864.

The previous prime is 1622081723. The next prime is 1622081743. The reversal of 1622081732 is 2371802261.

It can be written as a sum of positive squares in only one way, i.e., 1193426116 + 428655616 = 34546^2 + 20704^2 .

It is a super-2 number, since 2×1622081732² = 5262298290576239648, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 202760213 + ... + 202760220.

It is an arithmetic number, because the mean of its divisors is an integer number (473107173).

Almost surely, 2^1622081732 is an apocalyptic number.

It is an amenable number.

1622081732 is a deficient number, since it is larger than the sum of its proper divisors (1216561306).

1622081732 is a wasteful number, since it uses less digits than its factorization.

1622081732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405520437 (or 405520435 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1622081732 is about 40275.0758161918. The cubic root of 1622081732 is about 1174.9631452451.

Adding to 1622081732 its reverse (2371802261), we get a palindrome (3993883993).

The spelling of 1622081732 in words is "one billion, six hundred twenty-two million, eighty-one thousand, seven hundred thirty-two".