1622128151 has 32 divisors (see below), whose sum is σ = 2005585920. Its totient is φ = 1280480256.

The previous prime is 1622128147. The next prime is 1622128159. The reversal of 1622128151 is 1518212261.

It is not a de Polignac number, because 1622128151 - 2² = 1622128147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622128159) 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 31 ways as a sum of consecutive naturals, for example, 1090130 + ... + 1091616.

It is an arithmetic number, because the mean of its divisors is an integer number (62674560).

Almost surely, 2^1622128151 is an apocalyptic number.

1622128151 is a deficient number, since it is larger than the sum of its proper divisors (383457769).

1622128151 is a wasteful number, since it uses less digits than its factorization.

1622128151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703.

The product of its digits is 1920, while the sum is 29.

The square root of 1622128151 is about 40275.6520865895. The cubic root of 1622128151 is about 1174.9743530844.

The spelling of 1622128151 in words is "one billion, six hundred twenty-two million, one hundred twenty-eight thousand, one hundred fifty-one".