1622621411 has 8 divisors (see below), whose sum is σ = 1720928544. Its totient is φ = 1526627520.

The previous prime is 1622621393. The next prime is 1622621449. The reversal of 1622621411 is 1141262261.

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

It is a cyclic number.

It is not a de Polignac number, because 1622621411 - 2¹⁴ = 1622605027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1622621461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576866 + ... + 579671.

It is an arithmetic number, because the mean of its divisors is an integer number (215116068).

Almost surely, 2^1622621411 is an apocalyptic number.

1622621411 is a deficient number, since it is larger than the sum of its proper divisors (98307133).

1622621411 is a wasteful number, since it uses less digits than its factorization.

1622621411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156621.

The product of its digits is 1152, while the sum is 26.

The square root of 1622621411 is about 40281.7751719062. The cubic root of 1622621411 is about 1175.0934372052.

Adding to 1622621411 its reverse (1141262261), we get a palindrome (2763883672).

The spelling of 1622621411 in words is "one billion, six hundred twenty-two million, six hundred twenty-one thousand, four hundred eleven".