1622254005 has 24 divisors (see below), whose sum is σ = 2821090272. Its totient is φ = 862376544.

The previous prime is 1622254003. The next prime is 1622254013. The reversal of 1622254005 is 5004522261.

It is not a de Polignac number, because 1622254005 - 2¹ = 1622254003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1622254005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622254003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44899 + ... + 72528.

It is an arithmetic number, because the mean of its divisors is an integer number (117545428).

Almost surely, 2^1622254005 is an apocalyptic number.

1622254005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1622254005 is a deficient number, since it is larger than the sum of its proper divisors (1198836267).

1622254005 is a wasteful number, since it uses less digits than its factorization.

1622254005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117745 (or 117742 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1622254005 is about 40277.2144642601. The cubic root of 1622254005 is about 1175.0047393803.

Adding to 1622254005 its reverse (5004522261), we get a palindrome (6626776266).

The spelling of 1622254005 in words is "one billion, six hundred twenty-two million, two hundred fifty-four thousand, five".