1622254002 has 16 divisors (see below), whose sum is σ = 3435361632. Its totient is φ = 508942400.

The previous prime is 1622253977. The next prime is 1622254003. The reversal of 1622254002 is 2004522261.

It is a happy number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7952124 + ... + 7952327.

It is an arithmetic number, because the mean of its divisors is an integer number (214710102).

Almost surely, 2^1622254002 is an apocalyptic number.

1622254002 is an abundant number, since it is smaller than the sum of its proper divisors (1813107630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1622254002 is a wasteful number, since it uses less digits than its factorization.

1622254002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15904473.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1622254002 is about 40277.2144270182. The cubic root of 1622254002 is about 1175.0047386560.

Adding to 1622254002 its reverse (2004522261), we get a palindrome (3626776263).

The spelling of 1622254002 in words is "one billion, six hundred twenty-two million, two hundred fifty-four thousand, two".