1622602655 has 16 divisors (see below), whose sum is σ = 2076723360. Its totient is φ = 1212797952.

The previous prime is 1622602627. The next prime is 1622602661. The reversal of 1622602655 is 5562062261.

It is not a de Polignac number, because 1622602655 - 2⁶ = 1622602591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58025 + ... + 81314.

It is an arithmetic number, because the mean of its divisors is an integer number (129795210).

Almost surely, 2^1622602655 is an apocalyptic number.

1622602655 is a deficient number, since it is larger than the sum of its proper divisors (454120705).

1622602655 is a wasteful number, since it uses less digits than its factorization.

1622602655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139498.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1622602655 is about 40281.5423612354. The cubic root of 1622602655 is about 1175.0889095240.

The spelling of 1622602655 in words is "one billion, six hundred twenty-two million, six hundred two thousand, six hundred fifty-five".